vulnwire
7.8high

CVE-2017-13723

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,…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 39%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.44% probability of exploitation in the next 30 days, higher than 39% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • securityfocus.com /bid/101253 · vdb-entry, x_refsource_BID, x_transferred
  • cgit.freedesktop.org /xorg/xserver/commit/?id=94f11ca5cf011ef123bd222cabeaef6f424d76ac · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2017/11/msg00032.html · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201710-30 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • openwall.com /lists/oss-security/2017/10/04/10 · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2017/dsa-4000 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • lists.x.org /archives/xorg-announce/2017-October/002808.html · mailing-list, x_refsource_MLIST, x_transferred

Sources

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