| Name | CVE-2022-27781 |
| Description | libcurl provides the `CURLOPT_CERTINFO` option to allow applications torequest details to be returned about a server's certificate chain.Due to an erroneous function, a malicious server could make libcurl built withNSS get stuck in a never-ending busy-loop when trying to retrieve thatinformation. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3085-1, DSA-5197-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| curl (PTS) | buster | 7.64.0-4+deb10u2 | vulnerable |
| buster (security) | 7.64.0-4+deb10u9 | fixed |
| bullseye (security), bullseye | 7.74.0-1.3+deb11u11 | fixed |
| bookworm, bookworm (security) | 7.88.1-10+deb12u5 | fixed |
| trixie | 8.5.0-2 | fixed |
| sid | 8.7.1-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| curl | source | buster | 7.64.0-4+deb10u3 | | DLA-3085-1 | |
| curl | source | bullseye | 7.74.0-1.3+deb11u2 | | DSA-5197-1 | |
| curl | source | (unstable) | 7.83.1-1 | | | |
Notes
https://www.openwall.com/lists/oss-security/2022/05/11/4
https://curl.se/docs/CVE-2022-27781.html
Introduced by: https://github.com/curl/curl/commit/f6c335d63f2da025a0a3efde1fe59e3bb7189b70 (curl-7_34_0)
Fixed by: https://github.com/curl/curl/commit/curl-7_83_1)