FreeBSD : claws-mail -- no bounds checking on the output buffer in conv_jistoeuc, conv_euctojis, conv_sjistoeuc (51358314-bec8-11e5-82cd-bcaec524bf84)

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing a security-related update.

Description :

DrWhax reports :

So in codeconv.c there is a function for Japanese character set
conversion called conv_jistoeuc(). There is no bounds checking on the
output buffer, which is created on the stack with alloca() Bug can be
triggered by sending an email to [email protected] or whatever.

Since my C is completely rusty, you might be able to make a better
judgment on the severity of this issue. Marking critical for now.

See also :

https://security-tracker.debian.org/tracker/CVE-2015-8614
http://www.nessus.org/u?3e53196a

Solution :

Update the affected package.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 87997 ()

Bugtraq ID:

CVE ID: CVE-2015-8614

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