Input validation error in libxext - CVE-2013-1982
Published: June 15, 2013 / Updated: August 4, 2020
Vulnerability identifier: #VU33893
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-1982
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: xorg.freedesktop.org
Affected software:
libxext
libxext
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple integer overflows in X.org libXext 1.3.1 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the (1) XcupGetReservedColormapEntries, (2) XcupStoreColors, (3) XdbeGetVisualInfo, (4) XeviGetVisualInfo, (5) XShapeGetRectangles, and (6) XSyncListSystemCounters functions.
How to mitigate CVE-2013-1982
Install update from vendor's website.