rsync 3.1.1 Sync link following

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in rsync 3.1.1. Affected by this vulnerability is an unknown functionality of the component Sync. This manipulation causes link following. This vulnerability appears as CVE-2014-9512. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in rsync 3.1.1 (File Transfer Software) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Sync. The manipulation with an unknown input leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect integrity, and availability. The summary by CVE is:

rsync 3.1.1 allows remote attackers to write to arbitrary files via a symlink attack on a file in the synchronization path.

The weakness was presented 02/12/2015 as Bug 10977 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.samba.org. This vulnerability is known as CVE-2014-9512 since 01/05/2015. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 81286 (openSUSE Security Update : rsync (openSUSE-2015-124)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170798 (OpenSUSE Security Update for rsync (openSUSE-SU-2018:0101-1)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (81286), SecurityFocus (BID 76093†), SecurityTracker (ID 1034786†) and Vulnerability Center (SBV-48711†). See VDB-109150 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 81286
Nessus Name: openSUSE Security Update : rsync (openSUSE-2015-124)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for rsync USN-2879-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/05/2015 🔍
02/03/2015 +29 days 🔍
02/11/2015 +8 days 🔍
02/11/2015 +0 days 🔍
02/12/2015 +1 days 🔍
02/12/2015 +0 days 🔍
02/23/2015 +11 days 🔍
03/30/2015 +35 days 🔍
07/29/2015 +121 days 🔍
01/22/2016 +177 days 🔍
07/01/2018 +891 days 🔍

Sourcesinfo

Advisory: Bug 10977
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9512 (🔍)
GCVE (CVE): GCVE-0-2014-9512
GCVE (VulDB): GCVE-100-74173
SecurityFocus: 76093 - Rsync CVE-2014-9512 Arbitrary File Overwrite Vulnerability
SecurityTracker: 1034786
Vulnerability Center: 48711 - Samba rsync 3.1.1 Remote File System Write via Symlink Attack, Medium

See also: 🔍

Entryinfo

Created: 03/30/2015 12:07
Updated: 07/01/2018 08:04
Changes: 03/30/2015 12:07 (65), 07/01/2018 08:04 (15)
Complete: 🔍
Cache ID: 216::103

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