CVE-2017-12185: debian debian_linux Unchecked Error Condition
CVSS: 9.8v3.0CriticalModified
AliasesALPINE-CVE-2017-12185UBUNTU-CVE-2017-12185DEBIAN-CVE-2017-12185
Published 24-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2017-12185 is a critical (CVSS 9.8) Unchecked Error Condition vulnerability in debian debian_linux. EPSS estimates a 4.17% chance of exploitation in the next 30 days, higher than 90.7% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
4.17%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 3Timeline
- 24-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
CVSS metrics
5 scores · 4 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.17%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
0.00 pp
From 4.17% on 20-09-2026
20-09-202620-10-2026
EPSS score4.17%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-391Unchecked Error Condition[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.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Ubuntu3 products
- xorg-server< 2:1.15.1-0ubuntu2.11 | < 2:1.18.4-0ubuntu0.7
- xorg-server-hwe-16.04< 2:1.19.3-1ubuntu1~16.04.4
- xorg-server-lts-xenial< 2:1.18.3-1ubuntu2.3~trusty4
Debian2 products
- xorg-server< 2:1.19.5-1
- debian_linuxEOL8.0 | 9.0
Alpine1 product
- xorg-server< 1.19.5-r0
X.org1 product
- x_server< 1.19.5
4 vendors · 7 products
References
10 links
- lists.debian.org/debian-lts-announce/2017/11/msg00032.htmlMailing ListX Refsource MLISTThird Party Advisory
- cgit.freedesktop.org/xorg/xserver/commit/?id=cad5a1050b7184d828aef9c1dd151c3ab649d37eX Refsource CONFIRMPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1509215X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryVDB Entry