Integer overflow in X Libxcursor
CVE-2017-16612
libXcursor before 1.1.15 has various integer overflows that could lead to heap buffer overflows when processing malicious cursors, e.g., with programs like GIMP. It is also possible that an attack vector exists against the related code in cursor/xcursor.c in Wayland through 1.14.0.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.052 (92.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.052 · newest: 0.052 · change: 0.000
Affected products
- X Libxcursor
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.04
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
References
- cgit.freedesktop.org/xorg/lib/libXcursor/commit/ (Exploit, Patch, Third Party Advisory)
- usn.ubuntu.com/3622-1/ (vendor-advisory)
- www.openwall.com/lists/oss-security/2017/11/28/6 (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.suse.com/show_bug.cgi (VDB Entry, Issue Tracking, Tool Signature)
- security.gentoo.org/glsa/201801-04 (vendor-advisory)
- lists.freedesktop.org/archives/wayland-devel/2017-November/035979.html
- www.ubuntu.com/usn/USN-3501-1 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2017/12/msg00002.html (mailing-list)
- cgit.freedesktop.org/wayland/wayland/commit/
- marc.info/ (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-16612?
- CVE-2017-16612 is a high-severity vulnerability in X Libxcursor, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2017-12-01.
- How severe is CVE-2017-16612?
- High severity. CVSS v3 base score is 7.5 out of 10.