Improper Verification of Cryptographic Signature Affecting apt package, versions <1.6.4
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-APT-407438
- published22 Aug 2018
- disclosed21 Aug 2018
Introduced: 21 Aug 2018
CVE-2018-0501 (opens in a new tab)How to fix?
Upgrade Debian:unstable apt to version 1.6.4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream apt package and not the apt package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-0501
- https://mirror.fail
- https://salsa.debian.org/apt-team/apt/commit/29658a3a74af49e2a24e17bdebb20e1612aac3ec
- https://salsa.debian.org/apt-team/apt/commit/aebd4278bacc728ab00ebe31556983e140f60e47
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-0501
- https://usn.ubuntu.com/3746-1/