| Name | CVE-2017-20240 |
| Description | Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1139867 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libcrypt-pbkdf2-perl (PTS) | bullseye | 0.161520-1 | vulnerable |
| bookworm, trixie | 0.161520-2 | vulnerable |
| forky, sid | 0.261630-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[trixie] - libcrypt-pbkdf2-perl <no-dsa> (Minor issue)
https://lists.security.metacpan.org/cve-announce/msg/40929601/
Fixed by: https://github.com/arodland/Crypt-PBKDF2/commit/ac5aac7c8c0e411165a6665a9c1f449b745f2629 (0.261630)