Information disclosure in Firefox ESR and Mozilla Firefox - CVE-2017-5445

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Main Vulnerability Database Vulnerabilities #VU6336

Information disclosure in Firefox ESR and Mozilla Firefox - CVE-2017-5445

Published: April 19, 2017


Vulnerability identifier: #VU6336
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-5445
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to an error when parsing application/http-index-format format content where uninitialized values are used to create an array. A remote attacker can read portions of uninitialized memory.

Successful exploitation of the vulnerability may allow an attacker to gain access to potentially sensitive information.


Affected software

Firefox ESR
Mozilla Firefox
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for x86_64
SUSE Linux
Ubuntu
Mozilla Thunderbird

How to mitigate CVE-2017-5445

Update to Firefox 53, Firefox ESR 45.9 or Firefox ESR 52.1.


External References

Related Security Bulletins