CVE-2012-4187
What it is
Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not properly manage a certain insPos variable, which allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption and assertion failure) via unspecified vectors.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 6.8% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 6.8% in the next 30 days (EPSS).
- Severity: 9.3 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 6.8% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Modified
Affected
- Mozilla Firefox < 10.0.8
- Mozilla Thunderbird Esr < 10.0.8
- Mozilla Firefox < 16.0
- Mozilla Thunderbird < 16.0
- Mozilla Seamonkey < 2.13
- Canonical Ubuntu Linux 10.04
- Canonical Ubuntu Linux 11.04
- Canonical Ubuntu Linux 11.10
Attack profile CVSS 2.0 · 9.3
- Attack vector
- Network
- Complexity
- Medium
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2012-4187.md and follow it. Check whether this project is affected by CVE-2012-4187. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.mozilla.org/security/announce/2012/mfsa2012-86.html
- http://www.mozilla.org/security/announce/2012/mfsa2012-86.html
References
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
- http://rhn.redhat.com/errata/RHSA-2012-1351.html
- http://secunia.com/advisories/50856
- http://secunia.com/advisories/50892
- http://secunia.com/advisories/50904
- http://secunia.com/advisories/50935
- http://secunia.com/advisories/50936
- http://secunia.com/advisories/50984
- http://secunia.com/advisories/55318
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:163
- http://www.mozilla.org/security/announce/2012/mfsa2012-86.html
- http://www.securityfocus.com/bid/56125
- http://www.ubuntu.com/usn/USN-1611-1
- https://bugzilla.mozilla.org/show_bug.cgi?id=787493
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16425
- http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00010.html
- http://rhn.redhat.com/errata/RHSA-2012-1351.html
- http://secunia.com/advisories/50856
- http://secunia.com/advisories/50892
- http://secunia.com/advisories/50904
- http://secunia.com/advisories/50935
- http://secunia.com/advisories/50936
- http://secunia.com/advisories/50984
- http://secunia.com/advisories/55318
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:163