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LZO -- potential buffer overrun when processing malicious input data

Description:

Markus Franz Xaver Johannes Oberhumer reports, in the package's NEWS file:

Fixed a potential integer overflow condition in the "safe" decompressor variants which could result in a possible buffer overrun when processing maliciously crafted compressed input data.

As this issue only affects 32-bit systems and also can only happen if you use uncommonly huge buffer sizes where you have to decompress more than 16 MiB (2^24 bytes) compressed bytes within a single function call, the practical implications are limited.

References:

Affects:

portaudit: LZO -- potential buffer overrun when processing malicious input data

Disclaimer: The data contained on this page is derived from the VuXML document, please refer to the the original document for copyright information. The author of portaudit makes no claim of authorship or ownership of any of the information contained herein.

If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Team. Refer to "FreeBSD Security Information" for more information.


Oliver Eikemeier <eik@FreeBSD.org>