CVE-2008-1377

Severity: critical (CVSS 9.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2008-06-16 · updated 2026-06-16
Weakness: CWE-189

Description

The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via requests with crafted length values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

Affected products

X11: r7.3

References

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01543321
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=721
http://lists.apple.com/archives/security-announce/2009/Feb/msg00000.html
http://lists.freedesktop.org/archives/xorg/2008-June/036026.html
http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00005.html
http://rhn.redhat.com/errata/RHSA-2008-0502.html
http://rhn.redhat.com/errata/RHSA-2008-0504.html
http://rhn.redhat.com/errata/RHSA-2008-0512.html
http://secunia.com/advisories/30627
http://secunia.com/advisories/30628

Get alerted when CVE-2008-1377 or the next vulnerability affects your stack