CVE-2017-13723 — Improper Restriction of Operations within the Bounds of a Memory Buffer in X Server
CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer10 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 66.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 10
Latest updateMay 14
Description
In X.Org Server (aka xserver and xorg-server) before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages2 packages
Also affects: Debian Linux 8.0, 9.0