Vulnerability Details : CVE-2017-12179
xorg-x11-server before 1.19.5 was vulnerable to integer overflow in (S)ProcXIBarrierReleasePointer functions allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Vulnerability category: OverflowExecute code
Products affected by CVE-2017-12179
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12179
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12179
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2017-12179
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The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.Assigned by: nvd@nist.gov (Primary)
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[PLANNED FOR DEPRECATION. SEE MAINTENANCE NOTES AND CONSIDER CWE-252, CWE-248, OR CWE-1069.] Ignoring exceptions and other error conditions may allow an attacker to induce unexpected behavior unnoticed.Assigned by: secalert@redhat.com (Secondary)
References for CVE-2017-12179
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https://www.debian.org/security/2017/dsa-4000
Debian -- Security Information -- DSA-4000-1 xorg-serverThird Party Advisory
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https://cgit.freedesktop.org/xorg/xserver/commit/?id=d088e3c1286b548a58e62afdc70bb40981cdb9e8
xorg/xserver - X server (mirrored from https://gitlab.freedesktop.org/xorg/xserver)Patch;Third Party Advisory
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https://security.gentoo.org/glsa/201711-05
X.Org Server: Multiple vulnerabilities (GLSA 201711-05) — Gentoo securityThird Party Advisory;VDB Entry
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https://bugzilla.redhat.com/show_bug.cgi?id=1509220
1509220 – (CVE-2017-12179) CVE-2017-12179 xorg-x11-server: Integer overflow and unvalidated length in (S)ProcXIBarrierReleasePointerIssue Tracking;Patch;Third Party Advisory;VDB Entry
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