HAProxy 1.4.20 memory corruption

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.
7.0$0-$5k0.17

Summaryinfo

A vulnerability classified as critical was found in HAProxy 1.4.20. The affected element is an unknown function. The manipulation results in memory corruption. This vulnerability was named CVE-2012-2942. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in HAProxy 1.4.20 (Firewall Software). Affected is an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors.

The weakness was presented 05/27/2012 (Website). The advisory is available at openwall.com. This vulnerability is traded as CVE-2012-2942 since 05/27/2012. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 66936 (Debian DSA-2711-1 : haproxy - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 1.4.20 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (75777), Tenable (66936), SecurityFocus (BID 53647†), Secunia (SA49261†) and Vulnerability Center (SBV-35207†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 66936
Nessus Name: Debian DSA-2711-1 : haproxy - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 892711
OpenVAS Name: Debian Security Advisory DSA 2711-1 (haproxy - several vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: HAProxy 1.4.20
Patch: 30297cb17147a8d339eb160226bcc08c91d9530b

Timelineinfo

05/22/2012 🔍
05/22/2012 +0 days 🔍
05/22/2012 +0 days 🔍
05/27/2012 +5 days 🔍
05/27/2012 +0 days 🔍
05/27/2012 +0 days 🔍
05/29/2012 +2 days 🔍
06/20/2013 +387 days 🔍
03/23/2015 +641 days 🔍
12/03/2021 +2447 days 🔍

Sourcesinfo

Advisory: DSA-2711
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-2942 (🔍)
GCVE (CVE): GCVE-0-2012-2942
GCVE (VulDB): GCVE-100-60858

OVAL: 🔍

X-Force: 75777
SecurityFocus: 53647 - HAProxy Trash Buffer Overflow Vulnerability
Secunia: 49261 - HAProxy Trash Buffer Overflow Vulnerability, Moderately Critical
Vulnerability Center: 35207 - HAProxy 1.4.20 Remote Arbitrary Code Execution Vulnerability, Medium

Entryinfo

Created: 03/23/2015 16:50
Updated: 12/03/2021 07:01
Changes: 03/23/2015 16:50 (60), 04/13/2017 12:48 (14), 12/03/2021 06:51 (5), 12/03/2021 07:01 (2)
Complete: 🔍
Cache ID: 216:590:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!