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OpenSSL Security Advisory 20170828

OpenSSL Security Advisory 20170828
Posted Aug 28, 2017
Site openssl.org

OpenSSL Security Advisory 20170828 - If an X.509 certificate has a malformed IPAddressFamily extension, OpenSSL could do a one-byte buffer overread. The most likely result would be an erroneous display of the certificate in text format.

tags | advisory
advisories | CVE-2017-3735
SHA-256 | bfe693c207e12bf41b62de943a276fa92f260530bb94dfc8fc7787631bc42165

OpenSSL Security Advisory 20170828

Change Mirror Download

OpenSSL Security Advisory [28 Aug 2017]
========================================

Malformed X.509 IPAddressFamily could cause OOB read (CVE-2017-3735)
===================================================================

Severity: Low

If an X.509 certificate has a malformed IPAddressFamily extension,
OpenSSL could do a one-byte buffer overread. The most likely result
would be an erroneous display of the certificate in text format.

This bug has been present since 2006.

OpenSSL 1.1.0 users should upgrade to 1.1.0g
OpenSSL 1.0.2 users should upgrade to 1.0.2m

This issue was found by Google's OSS-Fuzz project on August 22.
The fix was developed by Rich Salz of the OpenSSL development team.

UPDATE 02 November 2017: At the time of the original security advisory the fix
was only available in the development versions. The advisory has now been
updated with the release information.

Note
====

Support for version 1.0.1 ended on 31st December 2016. Support for versions
0.9.8 and 1.0.0 ended on 31st December 2015. Those versions are no longer
receiving security updates.

References
==========

URL for this Security Advisory:
https://www.openssl.org/news/secadv/20170828.txt

Note: the online version of the advisory may be updated with additional details
over time.

For details of OpenSSL severity classifications please see:
https://www.openssl.org/policies/secpolicy.html
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