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OpenAdvisories
Unscored Public exploit CVE-2015-1792 EUVD-2015-1918GHSA-q68f-qqmm-qvj9

The do_free_upto function in crypto/cms/cms_smime.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1…

Published Jun 12, 2015 · Updated Aug 6, 2024 · Assigned by redhat

Description

The do_free_upto function in crypto/cms/cms_smime.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (infinite loop) via vectors that trigger a NULL value of a BIO data structure, as demonstrated by an unrecognized X.660 OID for a hash function.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 openssl 1.0.2b-1 —
Debian 13 openssl 1.0.2b-1 —
Debian 12 openssl 1.0.2b-1 —
Debian 8 openssl 1.0.1k-3+deb8u1 DSA-3287-1
Debian 7 openssl 1.0.1e-2+deb7u17 DSA-3287-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Debian 6.0 openssl 0.9.8o-4squeeze21 DLA-247-1
ReleasePackageFixed inAdvisory
Ubuntu 14.04 LTS openssl 1.0.1f-1ubuntu2.15 USN-2639-1
ReleasePackageFixed inAdvisory
RHEL 7 openssl +4 1:1.0.1e-42.ael7b_1.8 RHSA-2015:1115
RHEL 6 openssl +3 1.0.1e-30.el6_6.11 RHSA-2015:1115
ReleasePackageFixed inAdvisory
SLES 12 SP1 libqt4 +1 4.8.6-7.1 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES 12 SP1 libqt4-devel-doc 4.8.6-7.3 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES 12 compat-openssl098 0.9.8j-78.1 SUSE-SU-2015:1150-1
SLES 12 libqt4 +1 4.8.6-7.1 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES 12 libqt4-devel-doc 4.8.6-7.3 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES 12 openssl 1.0.1i-25.1 SUSE-SU-2015:1143-1
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES for SAP 12 SP1 libqt4 +1 4.8.6-7.1 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES for SAP 12 SP1 libqt4-devel-doc 4.8.6-7.3 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES for SAP 12 libqt4 +1 4.8.6-7.1 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES for SAP 12 libqt4-devel-doc 4.8.6-7.3 SUSE-SU-403 Forbidden-1, SUSE-SU-403
SLES for SAP 12 openssl 1.0.1i-25.1 SUSE-SU-2015:1143-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed libressl 2.5.0-1.1 openSUSE-SU-2024:10309-1
openSUSE Tumbleweed openssl-1_1 1.1.1l-1.2 openSUSE-SU-2024:11127-1

Oracle Linux

ReleasePackageFixed inAdvisory
Oracle Linux 7 openssl +4 1:1.0.1e-42.el7_1.8 ELSA-2015-1115

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 14

References