Improper Verification of Cryptographic Signature The advisory has been revoked - it doesn't affect any version of package php-phpseclib (opens in a new tab)
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-DEBIAN9-PHPPHPSECLIB-1244688
- published7 Apr 2021
- disclosed6 Apr 2021
Introduced: 6 Apr 2021
CVE-2021-30130 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php-phpseclib package and not the php-phpseclib package as distributed by Debian.
phpseclib before 2.0.31 and 3.x before 3.0.7 mishandles RSA PKCS#1 v1.5 signature verification.
References
- https://security-tracker.debian.org/tracker/CVE-2021-30130
- https://github.com/phpseclib/phpseclib/releases/tag/2.0.31
- https://github.com/phpseclib/phpseclib/releases/tag/3.0.7
- https://github.com/phpseclib/phpseclib/pull/1635
- https://lists.debian.org/debian-lts-announce/2022/11/msg00024.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00025.html