| Name | CVE-2015-1793 |
| Description | The X509_verify_cert function in crypto/x509/x509_vfy.c in OpenSSL 1.0.1n, 1.0.1o, 1.0.2b, and 1.0.2c does not properly process X.509 Basic Constraints cA values during identification of alternative certificate chains, which allows remote attackers to spoof a Certification Authority role and trigger unintended certificate verifications via a valid leaf certificate. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openssl (PTS) | buster | 1.1.1n-0+deb10u3 | fixed |
| buster (security) | 1.1.1n-0+deb10u6 | fixed | |
| bullseye | 1.1.1w-0+deb11u1 | fixed | |
| bullseye (security) | 1.1.1n-0+deb11u5 | fixed | |
| bookworm, bookworm (security) | 3.0.11-1~deb12u2 | fixed | |
| trixie | 3.0.11-1 | fixed | |
| sid | 3.1.4-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openssl | source | squeeze | (not affected) | |||
| openssl | source | wheezy | (not affected) | |||
| openssl | source | jessie | (not affected) | |||
| openssl | source | (unstable) | 1.0.2d-1 |
[jessie] - openssl <not-affected> (Vulnerable code not present)
[wheezy] - openssl <not-affected> (Vulnerable code not present)
[squeeze] - openssl <not-affected> (Vulnerable code not present)
http://openssl.org/news/secadv/20150709.txt