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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200412-20] NASM: Buffer overflow vulnerability


Vulnerability Assessment Details

[GLSA-200412-20] NASM: Buffer overflow vulnerability

Vulnerability Assessment Summary
NASM: Buffer overflow vulnerability

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200412-20
(NASM: Buffer overflow vulnerability)


Jonathan Rockway discovered that NASM-0.98.38 has an unprotected
vsprintf() to an array in preproc.c. This code vulnerability may lead
to a buffer overflow and potential execution of arbitrary code.

Impact

A remote attacker could craft a malicious object file which, when
supplied in NASM, would result in the execution of arbitrary code with
the rights of the user running NASM.

Workaround

There is no known workaround at this time.

References:
http://sourceforge.net/mailarchive/forum.php?thread_id=6166881&forum_id=4978


Solution:
All NASM users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-lang/nasm-0.98.38-r1"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2005 Michel Arboi

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Discussions

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