CVE-2016-2109

NameCVE-2016-2109
DescriptionThe asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory consumption) via a short invalid encoding.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-456-1, DSA-3566-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)jessie, jessie (lts)1.0.1t-1+deb8u21fixed
stretch (security)1.1.0l-1~deb9u6fixed
stretch (lts), stretch1.1.0l-1~deb9u9fixed
buster1.1.1n-0+deb10u3fixed
buster (security)1.1.1n-0+deb10u6fixed
bullseye1.1.1w-0+deb11u1fixed
bullseye (security)1.1.1n-0+deb11u5fixed
bookworm (security), bookworm3.0.11-1~deb12u2fixed
trixie3.2.1-3fixed
sid3.2.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsourcewheezy1.0.1e-2+deb7u21DLA-456-1
opensslsourcejessie1.0.1k-3+deb8u5DSA-3566-1
opensslsource(unstable)1.0.2h-1

Notes

Fixed in master in https://git.openssl.org/?p=openssl.git;a=commit;h=c62981390d6cf9e3d612c489b8b77c2913b25807
https://www.openssl.org/news/secadv/20160503.txt

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