gzip 1.3.5 make_table memory corruption

HistoryDiffrelatejsonxmlCTI

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-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in gzip 1.3.5. Impacted is the function make_table. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2006-4337. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in gzip 1.3.5. This vulnerability affects the function make_table. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the make_table function in the LHZ component in gzip 1.3.5 allows context-dependent attackers to execute arbitrary code via a crafted decoding table in a GZIP archive.

The bug was discovered 09/19/2006. The weakness was released 09/19/2006 by Tavis Ormandy (Website). The advisory is shared for download at us-cert.gov. This vulnerability was named CVE-2006-4337 since 08/24/2006. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22422 (CentOS 3 / 4 : gzip (CESA-2006:0667)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 185008 (HP-UX Update for Software Distributor Package Remote Denial of Service Vulnerability (HPSBUX02195)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11785.

The vulnerability is also documented in the databases at X-Force (29045), Tenable (22422), SecurityFocus (BID 20101†), OSVDB (29007†) and Secunia (SA21996†). Entries connected to this vulnerability are available at VDB-27241, VDB-31257, VDB-32357 and VDB-32355. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

gzip

Version

1.3.5

CPE 2.3info

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CPE 2.2info

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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

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 22422
Nessus Name: CentOS 3 / 4 : gzip (CESA-2006:0667)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 57385
OpenVAS Name: Slackware Advisory SSA:2006-262-01 gzip
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

McAfee IPS: 🔍
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ISS Proventia IPS: 🔍

Timelineinfo

08/24/2006 🔍
09/19/2006 +26 days 🔍
09/19/2006 +0 days 🔍
09/19/2006 +0 days 🔍
09/19/2006 +0 days 🔍
09/19/2006 +0 days 🔍
09/19/2006 +0 days 🔍
09/19/2006 +0 days 🔍
09/20/2006 +1 days 🔍
09/22/2006 +2 days 🔍
09/25/2006 +3 days 🔍
03/12/2015 +3090 days 🔍
07/08/2019 +1579 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Researcher: Tavis Ormandy
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-4337 (🔍)
GCVE (CVE): GCVE-0-2006-4337
GCVE (VulDB): GCVE-100-32356

OVAL: 🔍

X-Force: 29045
SecurityFocus: 20101 - GNU GZip Archive Handling Multiple Remote Vulnerabilities
Secunia: 21996 - gzip Multiple Vulnerabilities, Moderately Critical
OSVDB: 29007 - CVE-2006-4337 - gzip - Buffer Overflow Issue
SecurityTracker: 1016883
Vulnerability Center: 12769 - gzip 1.3.5 Buffer Overflow Allows Remote User-Assisted Code Execution via a Crafted Decoding Table, Medium
Vupen: ADV-2006-3695

See also: 🔍

Entryinfo

Created: 03/12/2015 15:51
Updated: 07/08/2019 17:57
Changes: 03/12/2015 15:51 (77), 07/08/2019 17:57 (13)
Complete: 🔍
Cache ID: 216:485:103