CVE-2023-52892
HIGH7.5EPSS 0.18%phpseclib - security update
Published: 6/28/2024Modified: 5/27/2026
Description
In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.
Affected packages (5)
- Debian/php-phpseclibfrom 0
- Debian/php-phpseclib3from 0, < 3.0.19-1+deb12u4
- Debian/phpseclibfrom 0, < 1.0.19-3+deb11u3
- Debian/phpseclibfrom 0, < 1.0.19-3+deb11u3
- Packagist/phpseclib/phpseclibfrom 0, < 1.0.22
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-52892
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2023-52892
- PATCHhttps://github.com/phpseclib/phpseclib
- WEBhttps://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
- WEBhttps://github.com/phpseclib/phpseclib/issues/1943
- WEBhttps://github.com/phpseclib/phpseclib/releases/tag/3.0.33
- WEBhttps://github.com/x509-name-testing/name_testing_artifacts