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OpenAdvisories
Unscored Public exploit CVE-2015-3195 EUVD-2015-3262GHSA-7q2f-v729-wjf3

The ASN1_TFLG_COMBINE implementation in crypto/asn1/tasn_dec.c in OpenSSL before 0.9.8zh, 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1q, and 1.0…

Published Dec 6, 2015 · Updated Aug 6, 2024 · Assigned by redhat

Description

The ASN1_TFLG_COMBINE implementation in crypto/asn1/tasn_dec.c in OpenSSL before 0.9.8zh, 1.0.0 before 1.0.0t, 1.0.1 before 1.0.1q, and 1.0.2 before 1.0.2e mishandles errors caused by malformed X509_ATTRIBUTE data, which allows remote attackers to obtain sensitive information from process memory by triggering a decoding failure in a PKCS#7 or CMS application.

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 1.0.2e-1 —
Debian 13 openssl 1.0.2e-1 —
Debian 12 openssl 1.0.2e-1 —
Debian 8 openssl 1.0.1k-3+deb8u2 DSA-3413-1
Debian 7 openssl 1.0.1e-2+deb7u18 DSA-3413-1
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Debian 6.0 openssl 0.9.8o-4squeeze22 DLA-358-1
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS openssl 1.0.2e-1ubuntu1 —
Ubuntu 14.04 LTS openssl 1.0.1f-1ubuntu2.16 USN-2830-1
ReleasePackageFixed inAdvisory
RHEL 7 openssl +4 1:1.0.1e-51.el7_2.1 RHSA-2015:2617
RHEL 6 openssl +3 1.0.1e-42.el6_7.1 RHSA-2015:2617
RHEL 5 openssl +2 0.9.8e-37.el5_11 RHSA-2015:2616
ReleasePackageFixed inAdvisory
SLES 12 SP1 compat-openssl098 0.9.8j-87.1 SUSE-SU-2015:2342-1
SLES 12 SP1 openssl 1.0.1i-36.1 SUSE-SU-2015:2230-1
SLES 12 compat-openssl098 0.9.8j-87.1 SUSE-SU-2015:2342-1
SLES 12 openssl 1.0.1i-27.6.1 SUSE-SU-2015:2237-1
SLES 11 SP4 compat-openssl097g 0.9.7g-146.22.36.1 SUSE-SU-2015:2251-1
SLES 11 SP4 openssl 0.9.8j-0.80.1 SUSE-SU-2015:2275-1
SLES 11 SP3 compat-openssl097g 0.9.7g-146.22.36.1 SUSE-SU-2015:2251-1
SLES 11 SP3 openssl 0.9.8j-0.80.1 SUSE-SU-2015:2275-1
SLES 11 SP2 openssl 0.9.8j-0.80.1 SUSE-SU-2015:2275-1
Show 7 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
SLES 11 openssl1 1.0.1g-0.35.1 SUSE-SU-2015:2253-1
SUSE Studio Onsite 1.3 openssl 0.9.8j-0.80.1 SUSE-SU-2015:2275-1
SLES for SAP 12 SP1 openssl 1.0.1i-36.1 SUSE-SU-2015:2230-1
SLES for SAP 12 openssl 1.0.1i-27.6.1 SUSE-SU-2015:2237-1
SLES for SAP 11 SP4 compat-openssl097g 0.9.7g-146.22.36.1 SUSE-SU-2015:2251-1
SLES for SAP 11 SP4 openssl 0.9.8j-0.80.1 SUSE-SU-2015:2275-1
SLES for SAP 11 SP3 compat-openssl097g 0.9.7g-146.22.36.1 SUSE-SU-2015:2251-1
SLES for SAP 11 SP3 openssl 0.9.8j-0.80.1 SUSE-SU-2015:2275-1
SLES for SAP 11 SP2 compat-openssl097g 0.9.7g-146.22.36.1 SUSE-SU-2015:2251-1
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-51.el7_2.1 ELSA-2015-2617

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 17

References