Debian Security Advisory DSA 148-1 (hylafax)

Published: 2008-01-17 21:24:46
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Recommendations:
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%20148-1

Technical Details:
A set of problems have been discovered in Hylafax, a flexible client/server fax software distributed with many GNU/Linux distributions. Quoting SecurityFocus the problems are in detail: * A format string vulnerability makes it possible for users to potentially execute arbitrary code on some implementations. Due to insufficient checking of input, it's possible to execute a format string attack. Since this only affects systems with the faxrm and faxalter programs installed setuid, Debian is not vulnerable. * A buffer overflow has been reported in Hylafax. A malicious fax transmission may include a long scan line that will overflow a memory buffer, corrupting adjacent memory. An exploid may result in a denial of service condition, or possibly the execution of arbitrary code with root privileges. * A format string vulnerability has been discovered in faxgetty. Incoming fax messages include a Transmitting Subscriber Identification (TSI) string, used to identify the sending fax machine. Hylafax uses this data as part of a format string without properly sanitizing the input. Malicious fax data may cause the server to crash, resulting in a denial of service condition. * Marcin Dawcewicz discovered a format string vulnerability in hfaxd, which will crash hfaxd under certain circumstances. Since Debian doesn't have hfaxd installed setuid root, this problem can not directly lead into a vulnerability. This has been fixed by Darren Nickerson, which was already present in newer versions, but not in the potato version. These problems have been fixed in version 4.0.2-14.3 for the old stable distribution (potato), in version 4.1.1-1.1 for the current stable distribution (woody) and in version 4.1.2-2.1 for the unstable distribution (sid). We recommend that you upgrade your hylafax Linux Distribution Packages.

Summary:
The remote host is missing an update to hylafax announced via advisory DSA 148-1.

Detection Type:
Linux Distribution Package

Solution Type:
Vendor Patch

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2001-1034

SecurityFocus Bugtraq ID:

https://www.securityfocus.com/bid/3357
https://www.securityfocus.com/bid/5349
https://www.securityfocus.com/bid/5348

Severity
High
CVSS Score
7.2
Published
2008-01-17
Modified
2017-07-07
Category
Debian Local Security Checks

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