Andrew Tridgell rsync up to 2.6.7 xattr.c receive_xattr integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Andrew Tridgell rsync up to 2.6.7. It has been rated as critical. Affected by this vulnerability is the function receive_xattr of the file xattr.c. This manipulation causes integer coercion. This vulnerability appears as CVE-2006-2083. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Andrew Tridgell rsync up to 2.6.7 (File Transfer Software). Affected by this vulnerability is the function receive_xattr of the file xattr.c. The manipulation with an unknown input leads to a integer coercion vulnerability. The CWE definition for the vulnerability is CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the receive_xattr function in the extended attributes patch (xattr.c) for rsync before 2.6.8 might allow attackers to execute arbitrary code via crafted extended attributes that trigger a buffer overflow.

The bug was discovered 04/22/2006. The weakness was presented 04/28/2006 (Website). The advisory is shared at vupen.com. This vulnerability is known as CVE-2006-2083 since 04/28/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21347 (GLSA-200605-05 : rsync: Potential integer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 2.6.8 eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26208), Tenable (21347), SecurityFocus (BID 17788†), OSVDB (25159†) and Secunia (SA19920†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer coercion
CWE: CWE-192 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21347
Nessus Name: GLSA-200605-05 : rsync: Potential integer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56646
OpenVAS Name: FreeBSD Ports: rsync
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: rsync 2.6.8

Timelineinfo

04/22/2006 🔍
04/28/2006 +6 days 🔍
04/28/2006 +0 days 🔍
04/28/2006 +0 days 🔍
04/28/2006 +0 days 🔍
05/02/2006 +4 days 🔍
05/06/2006 +4 days 🔍
05/13/2006 +7 days 🔍
05/16/2006 +3 days 🔍
03/12/2015 +3222 days 🔍
06/18/2019 +1559 days 🔍

Sourcesinfo

Advisory: vupen.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-2083 (🔍)
GCVE (CVE): GCVE-0-2006-2083
GCVE (VulDB): GCVE-100-29953
X-Force: 26208
SecurityFocus: 17788 - RSync Receive_XATTR Integer Overflow Vulnerability
Secunia: 19920
OSVDB: 25159 - RSync - Receive_XATTR - Integer Overflow Issue
Vulnerability Center: 11427 - rsync Extended Attributes Patch Integer Overflow Code Execution, High
Vupen: ADV-2006-1606

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/18/2019 06:27
Changes: 03/12/2015 12:19 (76), 06/18/2019 06:27 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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