CVE-2014-1520

Severity: medium (CVSS 6.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-04-30 · updated 2026-06-17
Weakness: CWE-269

Description

maintenservice_installer.exe in the Maintenance Service Installer in Mozilla Firefox before 29.0 and Firefox ESR 24.x before 24.5 on Windows allows local users to gain privileges by placing a Trojan horse DLL file into a temporary directory at an unspecified point in the update process.

Affected products

Fedoraproject Fedora: 19, 20
Mozilla Firefox: before 29.0; from 24.0 before 24.5 — fixed in 24.5, 29.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 24.5, 29.0. Check the vendor advisory for mitigations.

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html
http://packetstormsecurity.com/files/161696/Mozilla-Arbitrary-Code-Execution-Privilege-Escalation.html
http://seclists.org/fulldisclosure/2021/Mar/14
http://secunia.com/advisories/59866
http://www.mozilla.org/security/announce/2014/mfsa2014-35.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.securitytracker.com/id/1030163
https://bugzilla.mozilla.org/show_bug.cgi?id=961676
https://security.gentoo.org/glsa/201504-01
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html

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