FreeBSD up to 7.0 Releng strfmon.c printf format numeric error

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in FreeBSD 6.0/6.0 P5 Release/7.0/7.0 Beta4/7.0 Releng. Impacted is the function printf in the library lib/libc/stdlib/strfmon.c. Executing a manipulation of the argument format can lead to numeric error. This vulnerability appears as CVE-2008-1391. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in FreeBSD 6.0/6.0 P5 Release/7.0/7.0 Beta4/7.0 Releng (Operating System) and classified as critical. This vulnerability affects the function printf in the library lib/libc/stdlib/strfmon.c. The manipulation of the argument format with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple integer overflows in libc in NetBSD 4.x, FreeBSD 6.x and 7.x, and probably other BSD and Apple Mac OS platforms allow context-dependent attackers to execute arbitrary code via large values of certain integer fields in the format argument to (1) the strfmon function in lib/libc/stdlib/strfmon.c, related to the GET_NUMBER macro; and (2) the printf function, related to left_prec and right_prec.

The bug was discovered 03/27/2008. The weakness was presented 03/27/2008 by Maksymilian Arciemowicz (Website). The advisory is shared for download at us-cert.gov. This vulnerability was named CVE-2008-1391 since 03/18/2008. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 35111 (Mac OS X 10.5.x < 10.5.6 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165616 (SUSE Enterprise Linux Security Update glibc (SUSE-SA:2010:052)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 10 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (41504), Exploit-DB (31550), Tenable (35111), SecurityFocus (BID 28479†) and OSVDB (43837†). See VDB-43202, VDB-45513, VDB-45512 and VDB-45511 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 35111
Nessus Name: Mac OS X 10.5.x < 10.5.6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 67542
OpenVAS Name: Debian Security Advisory DSA 2058-1 (glibc, eglibc)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/18/2008 🔍
03/27/2008 +9 days 🔍
03/27/2008 +0 days 🔍
03/27/2008 +0 days 🔍
03/27/2008 +0 days 🔍
03/27/2008 +0 days 🔍
03/27/2008 +0 days 🔍
03/28/2008 +1 days 🔍
12/15/2008 +262 days 🔍
12/16/2008 +1 days 🔍
12/22/2008 +6 days 🔍
03/16/2015 +2275 days 🔍
11/28/2024 +3545 days 🔍

Sourcesinfo

Product: freebsd.org

Advisory: us-cert.gov
Researcher: Maksymilian Arciemowicz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1391 (🔍)
GCVE (CVE): GCVE-0-2008-1391
GCVE (VulDB): GCVE-100-41728

OVAL: 🔍

X-Force: 41504
SecurityFocus: 28479 - Multiple BSD Platforms 'strfmon()' Function Integer Overflow Weakness
Secunia: 29574 - FreeBSD "strfmon()" Multiple Integer Overflows, Less Critical
OSVDB: 43837 - CVE-2008-1391 - Multiple Products - Multiple Integer Overflow Issues
SecurityTracker: 1019722
Vulnerability Center: 20287 - NetBSD 4.*, FreeBSD 6.* and 7.* and Apple Mac OS libc Multiple Integer Overflows, High
Vupen: ADV-2008-3444

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 11/28/2024 23:42
Changes: 03/16/2015 17:00 (90), 08/22/2019 13:07 (5), 11/28/2024 23:42 (19)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!