CVE-2018-0735

NameCVE-2018-0735
DescriptionThe 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-dev (Affected 1.1.0-1.1.0i). Fixed in OpenSSL 1.1.1a-dev (Affected 1.1.1).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)jessie1.0.1t-1+deb8u8vulnerable
jessie (security)1.0.1t-1+deb8u9vulnerable
stretch (security), stretch1.1.0f-3+deb9u2vulnerable
buster, sid1.1.1-2vulnerable
openssl1.0 (PTS)stretch (security), stretch1.0.2l-2+deb9u3vulnerable
buster, sid1.0.2o-1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)(unfixed)
openssl1.0source(unstable)(unfixed)

Notes

[stretch] - openssl <postponed> (Wait for next DSA and upstream release)
[stretch] - openssl1.0 <postponed> (Wait for next DSA and upstream release)
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

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