| Name | CVE-2015-2141 |
| Description | The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack. |
| 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-262-1, DSA-3296-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libcrypto++ (PTS) | jessie, jessie (lts) | 5.6.1-6+deb8u3 | fixed |
| stretch | 5.6.4-7 | fixed | |
| buster | 5.6.4-8 | fixed | |
| bullseye | 8.4.0-1 | fixed | |
| bookworm | 8.7.0+git220824-1 | fixed | |
| sid, trixie | 8.9.0-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libcrypto++ | source | squeeze | 5.6.0-6+deb6u1 | DLA-262-1 | ||
| libcrypto++ | source | wheezy | 5.6.1-6+deb7u1 | DSA-3296-1 | ||
| libcrypto++ | source | jessie | 5.6.1-6+deb8u1 | DSA-3296-1 | ||
| libcrypto++ | source | (unstable) | 5.6.1-7 |
https://github.com/weidai11/cryptopp/commit/9425e16437439e68c7d96abef922167d68fafaff
https://eprint.iacr.org/2015/368