Vulnerabilities > CVE-2020-14346 - Integer Underflow (Wrap or Wraparound) vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1862246
- https://bugzilla.redhat.com/show_bug.cgi?id=1862246
- https://lists.x.org/archives/xorg-announce/2020-August/003058.html
- https://lists.x.org/archives/xorg-announce/2020-August/003058.html
- https://security.gentoo.org/glsa/202012-01
- https://security.gentoo.org/glsa/202012-01
- https://usn.ubuntu.com/4488-2/
- https://usn.ubuntu.com/4488-2/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1417/
- https://www.zerodayinitiative.com/advisories/ZDI-20-1417/