| Name | CVE-2018-0735 |
| Description | The OpenSSL ECDSA signature algorithm has been shown to be vulnerable to a timing side channel attack. An attacker could use variations in the signing algorithm to recover the private key. Fixed in OpenSSL 1.1.0j (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a (Affected 1.1.1). |
| 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-1586-1, DSA-4348-1, ELA-59-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| openssl (PTS) | jessie, jessie (lts) | 1.0.1t-1+deb8u21 | fixed |
| stretch (security) | 1.1.0l-1~deb9u6 | fixed | |
| stretch (lts), stretch | 1.1.0l-1~deb9u9 | fixed | |
| buster (security), buster, buster (lts) | 1.1.1n-0+deb10u6 | fixed | |
| bullseye | 1.1.1w-0+deb11u1 | fixed | |
| bullseye (security) | 1.1.1w-0+deb11u2 | fixed | |
| bookworm | 3.0.15-1~deb12u1 | fixed | |
| bookworm (security) | 3.0.14-1~deb12u2 | fixed | |
| sid, trixie | 3.3.2-2 | fixed | |
| openssl1.0 (PTS) | stretch (security) | 1.0.2u-1~deb9u7 | fixed |
| stretch (lts), stretch | 1.0.2u-1~deb9u9 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| openssl | source | wheezy | 1.0.1t-1+deb7u7 | ELA-59-1 | ||
| openssl | source | jessie | 1.0.1t-1+deb8u10 | DLA-1586-1 | ||
| openssl | source | stretch | 1.1.0j-1~deb9u1 | DSA-4348-1 | ||
| openssl | source | (unstable) | 1.1.1a-1 | |||
| openssl1.0 | source | (unstable) | (not affected) |
- openssl1.0 <not-affected> (Vulnerable code never present in 1.0.2 series)
https://www.openssl.org/news/secadv/20181029.txt
OpenSSL_1_1_1-stable: https://git.openssl.org/?p=openssl.git;a=commit;h=b1d6d55ece1c26fa2829e2b819b038d7b6d692b4
OpenSSL_1_1_0-stable: https://git.openssl.org/?p=openssl.git;a=commit;h=56fb454d281a023b3f950d969693553d3f3ceea1