CVE-2016-7053

NameCVE-2016-7053
DescriptionIn OpenSSL 1.1.0 before 1.1.0c, applications parsing invalid CMS structures can crash with a NULL pointer dereference. This is caused by a bug in the handling of the ASN.1 CHOICE type in OpenSSL 1.1.0 which can result in a NULL value being passed to the structure callback if an attempt is made to free certain invalid encodings. Only CHOICE structures using a callback which do not handle NULL value are affected.
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)
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)jessie1.0.1t-1+deb8u7fixed
jessie (security)1.0.1t-1+deb8u8fixed
stretch1.1.0f-3+deb9u1fixed
stretch (security)1.1.0f-3+deb9u2fixed
buster, sid1.1.0h-4fixed
openssl1.0 (PTS)stretch1.0.2l-2+deb9u2fixed
stretch (security)1.0.2l-2+deb9u3fixed
buster, sid1.0.2o-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)1.1.0c-1medium
opensslsourcejessie(not affected)
opensslsourcewheezy(not affected)
openssl1.0source(unstable)(not affected)

Notes

[jessie] - openssl <not-affected> (Only affects 1.1.0)
[wheezy] - openssl <not-affected> (Only affects 1.1.0)
- openssl1.0 <not-affected> (Only affects 1.1.0)
https://www.openssl.org/news/secadv/20161110.txt

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