Use-after-free in Debian Linux - CVE-2014-9906
Published: August 20, 2016 / Updated: August 9, 2020
Vulnerability identifier: #VU40138
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2014-9906
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Debian
Affected software:
Debian Linux
Debian Linux
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing vectors related to a lost server connection. A attackers can cause a denial of service (program crash) or possibly execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2014-9906
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- http://cpansearch.perl.org/src/CAPTTOFU/DBD-mysql-4.029/ChangeLog
- http://www.debian.org/security/2016/dsa-3635
- http://www.openwall.com/lists/oss-security/2016/07/27/5
- http://www.openwall.com/lists/oss-security/2016/07/27/6
- http://www.securityfocus.com/bid/92149
- https://github.com/perl5-dbi/DBD-mysql/commit/a56ae87a4c1c1fead7d09c3653905841ccccf1cc
- https://rt.cpan.org/Public/Bug/Display.html?id=97625