CVE-2015-0817
The asm.js implementation in Mozilla Firefox before 36.0.3, Firefox ESR 31.x before 31.5.2, and SeaMonkey before 2.33.1 does not properly determine the cases in which bounds checking may be safely skipped during JIT compilation and heap access, which…
Does this matter?
Lower severity and a low EPSS score (3.68%). Track it; it rarely justifies an emergency change on its own.
Description
The asm.js implementation in Mozilla Firefox before 36.0.3, Firefox ESR 31.x before 31.5.2, and SeaMonkey before 2.33.1 does not properly determine the cases in which bounds checking may be safely skipped during JIT compilation and heap access, which allows remote attackers to read or write to unintended memory locations, and consequently execute arbitrary code, via crafted JavaScript.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 3.68% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-17
- Affected
- mozilla/firefox · mozilla/firefox esr · mozilla/seamonkey
- Source
- security@mozilla.org
References
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00035.html
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00096.html
- http://rhn.redhat.com/errata/RHSA-2015-0718.html
- http://www.debian.org/security/2015/dsa-3201
- http://www.mozilla.org/security/announce/2015/mfsa2015-29.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.securityfocus.com/bid/73263
- http://www.securitytracker.com/id/1031958
- http://www.ubuntu.com/usn/USN-2538-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1145255
- https://security.gentoo.org/glsa/201504-01
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00035.html
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00096.html
- http://rhn.redhat.com/errata/RHSA-2015-0718.html
- http://www.debian.org/security/2015/dsa-3201
- http://www.mozilla.org/security/announce/2015/mfsa2015-29.htmlVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.securityfocus.com/bid/73263
- http://www.securitytracker.com/id/1031958
- http://www.ubuntu.com/usn/USN-2538-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=1145255
- https://security.gentoo.org/glsa/201504-01
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.