CVE-2018-13043: canonical ubuntu_linux Code Injection
CVSS: 9.8v3.0CriticalModified
AliasesUBUNTU-CVE-2018-13043USN-3704-1DEBIAN-CVE-2018-13043
Published 01-07-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-13043 is a critical (CVSS 9.8) Code Injection vulnerability in canonical ubuntu_linux. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.2% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
2.48%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 01-07-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
scripts/grep-excuses.pl in Debian devscripts through 2.18.3 allows code execution through unsafe YAML loading because YAML::Syck is used without a configuration that prevents unintended blessing.
CVSS metrics
4 scores · 3 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 3 agree
- 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
2.48%
Chance of exploitation in the next 30 days
Percentile
84%
Versus all other CVEs
30-day change
0.00 pp
From 2.48% on 18-09-2026
18-09-202618-10-2026
EPSS score2.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- devscripts< 2.18.4
- devscripts≤ 2.18.3
Canonical1 product
- ubuntu_linuxEOL17.10 | 18.04
Ubuntu1 product
- devscripts< 2.17.12ubuntu1.1
3 vendors · 4 products