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8.0	$0-$5k	0.00

A vulnerability has been found in Hylafax up to 4.1 Beta3 and classified as critical. This vulnerability affects the function syslog of the component hfaxd. The manipulation of the argument -q with an unknown input leads to a format string vulnerability. The CWE definition for the vulnerability is CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerability in hfaxd in HylaFAX before 4.1.b2_2 allows local users to gain privileges via the -q command line argument.

The weakness was shared 04/12/2001 by Marcin Dawcewicz (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability was named CVE-2001-0387. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 14985 (Debian DSA-148-1 : hylafax - buffer overflows and format string vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (6377) and Tenable (14985). The entry 18963 is related to this item.

Productinfo

Name

• Hylafax

Version

• 4.0 Pl0
• 4.0 Pl1
• 4.0 Pl2
• 4.1 Beta1
• 4.1 Beta2
• 4.1 Beta3

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 14985
Nessus Name: Debian DSA-148-1 : hylafax - buffer overflows and format string vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/12/2001 🔍
04/12/2001 +0 days 🔍
07/02/2001 +81 days 🔍
08/12/2002 +406 days 🔍
04/09/2004 +605 days 🔍
09/29/2004 +173 days 🔍
07/04/2014 +3565 days 🔍
04/30/2019 +1761 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: Marcin Dawcewicz
Status: Not defined

CVE: CVE-2001-0387 (🔍)
X-Force: 6377
SecurityFocus: 2574 - Hylafax hfaxd Local Format String Vulnerability
OSVDB: 5679 - HylaFAX hfaxd -q Command Line Format String

See also: 🔍

Entryinfo

Created: 07/05/2014 00:54
Updated: 04/30/2019 07:39
Changes: 07/05/2014 00:54 (66), 04/30/2019 07:39 (2)
Complete: 🔍

Discussion

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