| Name | CVE-2018-10844 |
| Description | It was found that the GnuTLS implementation of HMAC-SHA-256 was vulnerable to a Lucky thirteen style attack. Remote attackers could use this flaw to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data using crafted packets. |
| 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-1560-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gnutls28 (PTS) | jessie, jessie (lts) | 3.3.30-0+deb8u2 | fixed |
| stretch (security) | 3.5.8-5+deb9u6 | fixed |
| stretch (lts), stretch | 3.5.8-5+deb9u7 | fixed |
| buster (security), buster, buster (lts) | 3.6.7-4+deb10u12 | fixed |
| bullseye | 3.7.1-5+deb11u5 | fixed |
| bullseye (security) | 3.7.1-5+deb11u6 | fixed |
| bookworm | 3.7.9-2+deb12u3 | fixed |
| sid, trixie | 3.8.8-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://gitlab.com/gnutls/gnutls/issues/456
https://gitlab.com/gnutls/gnutls/commit/29ffa2a1fa4cc396c5d1563a3e5cdca0174de28b (master)
https://gitlab.com/gnutls/gnutls/commit/c32a8690f9f9b05994078fe9d2e7a41b18da5b09 (master)
https://gitlab.com/gnutls/gnutls/commit/c433cdf92349afae66c703bdacedf987f423605e (gnutls_3_5_19)
https://gitlab.com/gnutls/gnutls/commit/c2e094acd68f7159025b2e2556d6fb4427b41dd7 (gnutls_3_5_19)
https://gitlab.com/gnutls/gnutls/merge_requests/657
https://eprint.iacr.org/2018/747
[wheezy] - gnutls26 <ignored> (Minor issue and cipher removal is not good for backwards compatibility)