USN-4323-1: firefox Ubuntu
CVSS: UnknownPublished
Published 07-04-2020Last modified 22-04-2026
Vulnerability summary
USN-4323-1 is a vulnerability in firefox Ubuntu with no CVSS score yet.
CVSS score
Not scored
010
No CVSS score recordedEPSS score
Not scored
0%100%
No EPSS score yetKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 6 · Downstream 0 · Related 6Timeline
- 07-04-2020PublishedVulnerability first disclosed.
- 22-04-2026Last modifiedVulnerability information updated.
Description
firefox vulnerabilities Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, or execute arbitrary code. (CVE-2020-6821, CVE-2020-6822, CVE-2020-6824, CVE-2020-6825, CVE-2020-6826) It was discovered that extensions could obtain auth codes from OAuth login flows in some circumstances. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit this to obtain access to the user's account. (CVE-2020-6823)
CVSS metrics
Risk metrics not yet published.
EPSS trend
No EPSS score has been published for this record yet.
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu1 product
- firefox< 75.0+build3-0ubuntu0.16.04.1 | < 75.0+build3-0ubuntu0.18.04.1
1 vendor · 1 product
References
7 linksRelated vulnerabilities
USN-2458-3ubuntufirefoxfirefox regression
USN-2458-1 fixed vulnerabilities in Firefox. This update introduced a
regression which could make websites that use CSP fail to load under some
circumstances. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Christian Holler, Patrick McManus, Christoph Diehl, Gary Kwong, Jesse
Ruderman, Byron Campen, Terrence Cole, and Nils Ohlmeier discovered
multiple memory safety issues in Firefox. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
these to cause a denial of service via application crash, or execute
arbitrary code with the privileges of the user invoking Firefox.
(CVE-2014-8634, CVE-2014-8635)
Bobby Holley discovered that some DOM objects with certain properties
can bypass XrayWrappers in some circumstances. If a user were tricked in
to opening a specially crafted website, an attacker could potentially
exploit this to bypass security restrictions. (CVE-2014-8636)
Michal Zalewski discovered a use of uninitialized memory when rendering
malformed bitmap images on a canvas element. If a user were tricked in to
opening a specially crafted website, an attacker could potentially
exploit this to steal confidential information. (CVE-2014-8637)
Muneaki Nishimura discovered that requests from navigator.sendBeacon()
lack an origin header. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit this to conduct
cross-site request forgery (XSRF) attacks. (CVE-2014-8638)
Xiaofeng Zheng discovered that a web proxy returning a 407 response
could inject cookies in to the originally requested domain. If a user
connected to a malicious web proxy, an attacker could potentially exploit
this to conduct session-fixation attacks. (CVE-2014-8639)
Holger Fuhrmannek discovered a crash in Web Audio while manipulating
timelines. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to cause a denial
of service. (CVE-2014-8640)
Mitchell Harper discovered a use-after-free in WebRTC. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to cause a denial of service via application
crash, or execute arbitrary code with the privileges of the user invoking
Firefox. (CVE-2014-8641)
Brian Smith discovered that OCSP responses would fail to verify if signed
by a delegated OCSP responder certificate with the id-pkix-ocsp-nocheck
extension, potentially allowing a user to connect to a site with a revoked
certificate. (CVE-2014-8642)USN-2458-1ubuntufirefoxfirefox vulnerabilities
Christian Holler, Patrick McManus, Christoph Diehl, Gary Kwong, Jesse
Ruderman, Byron Campen, Terrence Cole, and Nils Ohlmeier discovered
multiple memory safety issues in Firefox. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
these to cause a denial of service via application crash, or execute
arbitrary code with the privileges of the user invoking Firefox.
(CVE-2014-8634, CVE-2014-8635)
Bobby Holley discovered that some DOM objects with certain properties
can bypass XrayWrappers in some circumstances. If a user were tricked in
to opening a specially crafted website, an attacker could potentially
exploit this to bypass security restrictions. (CVE-2014-8636)
Michal Zalewski discovered a use of uninitialized memory when rendering
malformed bitmap images on a canvas element. If a user were tricked in to
opening a specially crafted website, an attacker could potentially
exploit this to steal confidential information. (CVE-2014-8637)
Muneaki Nishimura discovered that requests from navigator.sendBeacon()
lack an origin header. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit this to conduct
cross-site request forgery (XSRF) attacks. (CVE-2014-8638)
Xiaofeng Zheng discovered that a web proxy returning a 407 response
could inject cookies in to the originally requested domain. If a user
connected to a malicious web proxy, an attacker could potentially exploit
this to conduct session-fixation attacks. (CVE-2014-8639)
Holger Fuhrmannek discovered a crash in Web Audio while manipulating
timelines. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to cause a denial
of service. (CVE-2014-8640)
Mitchell Harper discovered a use-after-free in WebRTC. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit this to cause a denial of service via application
crash, or execute arbitrary code with the privileges of the user invoking
Firefox. (CVE-2014-8641)
Brian Smith discovered that OCSP responses would fail to verify if signed
by a delegated OCSP responder certificate with the id-pkix-ocsp-nocheck
extension, potentially allowing a user to connect to a site with a revoked
certificate. (CVE-2014-8642)USN-2424-1ubuntufirefoxfirefox vulnerabilities
Gary Kwong, Randell Jesup, Nils Ohlmeier, Jesse Ruderman, Max Jonas
Werner, Christian Holler, Jon Coppeard, Eric Rahm, Byron Campen, Eric
Rescorla, and Xidorn Quan discovered multiple memory safety issues in
Firefox. If a user were tricked in to opening a specially crafted website,
an attacker could potentially exploit these to cause a denial of service
via application crash, or execute arbitrary code with the privileges of
the user invoking Firefox. (CVE-2014-1587, CVE-2014-1588)
Cody Crews discovered a way to trigger chrome-level XBL bindings from web
content in some circumstances. If a user were tricked in to opening a
specially crafted website, an attacker could potentially exploit this to
bypass security restrictions. (CVE-2014-1589)
Joe Vennix discovered a crash when using XMLHttpRequest in some
circumstances. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to cause a denial of
service. (CVE-2014-1590)
Muneaki Nishimura discovered that CSP violation reports did not remove
path information in some circumstances. If a user were tricked in to
opening a specially crafted website, an attacker could potentially
exploit this to obtain sensitive information. (CVE-2014-1591)
Berend-Jan Wever discovered a use-after-free during HTML parsing. If a
user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to cause a denial of service via
application crash or execute arbitrary code with the privileges of the
user invoking Firefox. (CVE-2014-1592)
Abhishek Arya discovered a buffer overflow when parsing media content. If
a user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to cause a denial of service via
application crash or execute arbitrary code with the privileges of the
user invoking Firefox. (CVE-2014-1593)
Byoungyoung Lee, Chengyu Song, and Taesoo Kim discovered a bad cast in the
compositor. If a user were tricked in to opening a specially crafted
website, an attacker could potentially exploit this to cause undefined
behaviour, a denial of service via application crash or execute abitrary
code with the privileges of the user invoking Firefox. (CVE-2014-1594)USN-2372-1ubuntufirefoxfirefox vulnerabilities
Bobby Holley, Christian Holler, David Bolter, Byron Campen, Jon Coppeard,
Carsten Book, Martijn Wargers, Shih-Chiang Chien, Terrence Cole and
Jeff Walden discovered multiple memory safety issues in Firefox. If a user
were tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service via application
crash, or execute arbitrary code with the privileges of the user invoking
Firefox. (CVE-2014-1574, CVE-2014-1575)
Atte Kettunen discovered a buffer overflow during CSS manipulation. If a
user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to cause a denial of service via
application crash or execute arbitrary code with the privileges of the
user invoking Firefox. (CVE-2014-1576)
Holger Fuhrmannek discovered an out-of-bounds read with Web Audio. If a
user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to steal sensitive information.
(CVE-2014-1577)
Abhishek Arya discovered an out-of-bounds write when buffering WebM video
in some circumstances. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit this to cause a
denial of service via application crash or execute arbitrary code with
the privileges of the user invoking Firefox. (CVE-2014-1578)
Michal Zalewski discovered that memory may not be correctly initialized
when rendering a malformed GIF in to a canvas in some circumstances. If
a user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to steal sensitive information.
(CVE-2014-1580)
A use-after-free was discovered during text layout in some circumstances.
If a user were tricked in to opening a specially crafted website, an
attacker could potentially exploit this to cause a denial of service via
application crash or execute arbitrary code with the privileges of the
user invoking Firefox. (CVE-2014-1581)
Patrick McManus and David Keeler discovered 2 issues that could result
in certificate pinning being bypassed in some circumstances. An attacker
with a fraudulent certificate could potentially exploit this conduct a
machine-in-the-middle attack. (CVE-2014-1582, CVE-2014-1584)
Eric Shepherd and Jan-Ivar Bruaroey discovered issues with video sharing
via WebRTC in iframes, where video continues to be shared after being
stopped and navigating to a new site doesn't turn off the camera. An
attacker could potentially exploit this to access the camera without the
user being aware. (CVE-2014-1585, CVE-2014-1586)
Boris Zbarsky discovered that webapps could use the Alarm API to read the
values of cross-origin references. If a user were tricked in to installing
a specially crafter webapp, an attacker could potentially exploit this to
bypass same-origin restrictions. (CVE-2014-1583)USN-2329-1ubuntufirefoxfirefox vulnerabilities
Jan de Mooij, Christian Holler, Karl Tomlinson, Randell Jesup, Gary Kwong,
Jesse Ruderman, JW Wang and David Weir discovered multiple memory safety
issues in Firefox. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit these to cause a
denial of service via application crash, or execute arbitrary code with
the privileges of the user invoking Firefox. (CVE-2014-1553,
CVE-2014-1554, CVE-2014-1562)
Abhishek Arya discovered a use-after-free during DOM interactions with
SVG. If a user were tricked in to opening a specially crafted page, an
attacker could potentially exploit this to cause a denial of service via
application crash or execute arbitrary code with the privileges of the
user invoking Firefox. (CVE-2014-1563)
Michal Zalewski discovered that memory is not initialized properly during
GIF rendering in some circumstances. If a user were tricked in to opening
a specially crafted page, an attacker could potentially exploit this to
steal confidential information. (CVE-2014-1564)
Holger Fuhrmannek discovered an out-of-bounds read in Web Audio. If a
user were tricked in to opening a specially crafted website, an attacker
could potentially exploit this to cause a denial of service via
application crash or steal confidential information. (CVE-2014-1565)
A use-after-free was discovered during text layout in some circumstances.
If a user were tricked in to opening a specially crafted website, an
attacker could potentially exploit this to cause a denial of service via
application crash or execute arbitrary code with the privileges of the
user invoking Firefox. (CVE-2014-1567)USN-2295-1ubuntufirefoxfirefox vulnerabilities
Christian Holler, David Keeler, Byron Campen, Gary Kwong, Jesse Ruderman,
Andrew McCreight, Alon Zakai, Bobby Holley, Jonathan Watt, Shu-yu Guo,
Steve Fink, Terrence Cole, Gijs Kruitbosch and Cătălin Badea discovered
multiple memory safety issues in Firefox. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
these to cause a denial of service via application crash, or execute
arbitrary code with the privileges of the user invoking Firefox.
(CVE-2014-1547, CVE-2014-1548)
Atte Kettunen discovered a buffer overflow when interacting with WebAudio
buffers. An attacker could potentially exploit this to cause a denial of
service via application crash or execute arbitrary code with the
privileges of the user invoking Firefox. (CVE-2014-1549)
Atte Kettunen discovered a use-after-free in WebAudio. An attacker could
potentially exploit this to cause a denial of service via application
crash or execute arbitrary code with the privileges of the user invoking
Firefox. (CVE-2014-1550)
David Chan and Gijs Kruitbosch discovered that web content could spoof
UI customization events in some circumstances, resulting in a limited
ability to move UI icons. (CVE-2014-1561)
Jethro Beekman discovered a use-after-free when the FireOnStateChange
event is triggered in some circumstances. An attacker could potentially
exploit this to cause a denial of service via application crash or
execute arbitrary code with the priviliges of the user invoking Firefox.
(CVE-2014-1555)
Patrick Cozzi discovered a crash when using the Cesium JS library to
generate WebGL content. An attacker could potentially exploit this to
execute arbitrary code with the privilges of the user invoking Firefox.
(CVE-2014-1556)
Tyson Smith and Jesse Schwartzentruber discovered a use-after-free in
CERT_DestroyCertificate. An attacker could potentially exploit this to
cause a denial of service via application crash or execute arbitrary
code with the privileges of the user invoking Firefox. (CVE-2014-1544)
A crash was discovered in Skia when scaling an image, if the scaling
operation takes too long. An attacker could potentially exploit this to
execute arbitrary code with the privileges of the user invoking Firefox.
(CVE-2014-1557)
Christian Holler discovered several issues when parsing certificates
with non-standard character encoding, resulting in the inability to
use valid SSL certificates in some circumstances. (CVE-2014-1558,
CVE-2014-1559, CVE-2014-1560)
Boris Zbarsky discovered that network redirects could cause an iframe
to escape the confinements defined by its sandbox attribute in
some circumstances. An attacker could potentially exploit this to
conduct cross-site scripting attacks. (CVE-2014-1552)