[openssl-users] CVE 2017-3735 OOB read

Salz, Rich rsalz at akamai.com
Tue Aug 29 00:11:02 UTC 2017

From https://www.openssl.org/news/secadv/20170828.txt

OpenSSL Security Advisory [28 Aug 2017]

Malformed X.509 IPAdressFamily 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.

As this is a low severity fix, no release is being made. The fix can be
found in the source repository (1.0.2, 1.1.0, and master branches); see
https://github.com/openssl/openssl/pull/4276. This bug has been present
since 2006.

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.

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