CVE-2023-52892
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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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.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.0.46-1 |
| sid | Fixed | 2.0.46-1 |
| forky | Fixed | 2.0.46-1 |
| bullseye | Fixed | 1.0.19-3+deb11u3 |
| bookworm | Fixed | 2.0.42-1+deb12u3 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | phpseclib/phpseclib | <1.0.22 | 1.0.22 |
| Packagist | phpseclib/phpseclib | >=2.0.0,<2.0.46 | 2.0.46 |
| Packagist | phpseclib/phpseclib | >=3.0.0,<3.0.33 | 3.0.33 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-52892
- https://github.com/phpseclib/phpseclib/issues/1943
- https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
- https://github.com/phpseclib/phpseclib
- https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
- https://github.com/x509-name-testing/name_testing_artifacts
- https://security-tracker.debian.org/tracker/CVE-2023-52892
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.