Link following in Gnash - CVE-2010-4337

 

Link following in Gnash - CVE-2010-4337

Published: January 15, 2011 / Updated: August 11, 2020


Vulnerability identifier: #VU45441
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2010-4337
CWE-ID: CWE-59
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Gnash

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

The configure script in gnash 0.8.8 allows local users to overwrite arbitrary files via a symlink attack on the (1) /tmp/gnash-configure-errors.$$, (2) /tmp/gnash-configure-warnings.$$, or (3) /tmp/gnash-configure-recommended.$$ files.


How to mitigate CVE-2010-4337

Install update from vendor's website.

Sources