CVE-2015-4484
Vulnerability Summary
Timeline
Description
The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.
CVSS Metrics
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.71%• Percentile: 73%
Techniques & Countermeasures
- CWE-119•Improper Restriction of Operations within the Bounds of a Memory Buffer
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04 | 15.04
- Unknown•Firefox
≤ 39.0.3 | 38.0 | 38.0.1 | 38.0.5 | 38.1.0
- opensuse•opensuse
13.1 | 13.2
- Unknown•Solaris
11.3
References (17)
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00025.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-87.html
- http://lists.opensuse.org/opensuse-updates/2015-08/msg00031.html
- http://www.ubuntu.com/usn/USN-2702-3
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00014.html
- http://lists.opensuse.org/opensuse-updates/2015-08/msg00030.html
- http://rhn.redhat.com/errata/RHSA-2015-1586.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00016.html
- http://www.securitytracker.com/id/1033247
- http://www.ubuntu.com/usn/USN-2702-2
- https://bugzilla.mozilla.org/show_bug.cgi?id=1171540
- http://www.ubuntu.com/usn/USN-2702-1
- https://security.gentoo.org/glsa/201605-06
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
- http://www.debian.org/security/2015/dsa-3333
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00015.html