Vulnerability in Canonical Ubuntu Linux
CVE-2018-0501
The mirror:// method implementation in Advanced Package Tool (APT) 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3 mishandles gpg signature verification for the InRelease file of a fallback mirror, aka mirrorfail.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.010 (61.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Canonical Ubuntu Linux — versions 18.04
- Debian Advanced Package Tool — versions 1.7.0
- Apt 1.6.x Before 1.6.4 And 1.7.x 1.7.0~alpha3 — versions APT 1.6.x before 1.6.4 and 1.7.x before 1.7.0~alpha3
Weakness classification (CWE)
References
- mirror.fail (URL Repurposed, Third Party Advisory)
- usn.ubuntu.com/3746-1/ (vendor-advisory, Third Party Advisory)
- salsa.debian.org/apt-team/apt/commit/aebd4278bacc728ab00ebe31556983e140f60e47 (Patch, Third Party Advisory)
- salsa.debian.org/apt-team/apt/commit/29658a3a74af49e2a24e17bdebb20e1612aac3ec (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-0501?
- CVE-2018-0501 is a medium-severity vulnerability in Canonical Ubuntu Linux, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.9/10. Published 2018-08-21.
- How severe is CVE-2018-0501?
- Medium severity. CVSS v3 base score is 5.9 out of 10.