CVE-2019-11717
Vulnerability Summary
Timeline
Description
A vulnerability exists where the caret ("^") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:P/A:N
EPSS Trends
Current EPSS score: 2.13%• Percentile: 81%
Techniques & Countermeasures
- CWE-116•Improper Encoding or Escaping of Output
The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
Affected Systems
- debian•firefox-esr
< 60.8.0esr-1 | < 60.8.0esr-1 | < 60.8.0esr-1 | < 60.8.0esr-1
- debian•thunderbird
< 1:60.8.0-1 | < 1:60.8.0-1 | < 1:60.8.0-1 | < 1:60.8.0-1
- debian•debian_linux
8.0
- mozilla•firefox
≥ unspecified, < 68 | < 60.8.0 | < 68.0
- mozilla•firefox_esr
≥ unspecified, < 60.8
- mozilla•thunderbird
≥ unspecified, < 60.8 | < 60.8.0
- novell•suse_package_hub_for_suse_linux_enterprise
12
- opensuse•leap
15.0 | 15.1
References (14)
- https://www.mozilla.org/security/advisories/mfsa2019-21/
- https://www.mozilla.org/security/advisories/mfsa2019-22/
- https://www.mozilla.org/security/advisories/mfsa2019-23/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1548306
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html
- https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html
- https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html
- https://security.gentoo.org/glsa/201908-12
- https://security.gentoo.org/glsa/201908-20
- http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
- https://security-tracker.debian.org/tracker/CVE-2019-11717