GNU tramp 2.1.10 link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in GNU tramp 2.1.10. This affects an unknown part. Performing a manipulation results in link following. This vulnerability is known as CVE-2007-5377. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in GNU tramp 2.1.10. This affects some unknown functionality. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The (1) tramp-make-temp-file and (2) tramp-make-tramp-temp-file functions in Tramp 2.1.10 extension for Emacs, and possibly earlier 2.1.x versions, allows local users to overwrite arbitrary files via a symlink attack on temporary files.

The bug was discovered 10/03/2007. The weakness was published 10/04/2007 (Website). It is possible to read the advisory at osvdb.org. This vulnerability is uniquely identified as CVE-2007-5377 since 10/11/2007. Attacking locally is a requirement. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 27554 (GLSA-200710-22 : TRAMP: Insecure temporary file creation), 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 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (37232), Tenable (27554), SecurityFocus (BID 26072†), OSVDB (41752†) and Secunia (SA27244†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
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: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 27554
Nessus Name: GLSA-200710-22 : TRAMP: Insecure temporary file creation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58701
OpenVAS Name: Gentoo Security Advisory GLSA 200710-22 (tramp)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

10/03/2007 🔍
10/03/2007 +0 days 🔍
10/04/2007 +1 days 🔍
10/11/2007 +6 days 🔍
10/11/2007 +0 days 🔍
10/15/2007 +4 days 🔍
10/15/2007 +0 days 🔍
10/15/2007 +0 days 🔍
10/20/2007 +4 days 🔍
10/25/2007 +5 days 🔍
10/28/2007 +3 days 🔍
03/16/2015 +2696 days 🔍
07/29/2019 +1596 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: osvdb.org⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-5377 (🔍)
GCVE (CVE): GCVE-0-2007-5377
GCVE (VulDB): GCVE-100-39195
X-Force: 37232
SecurityFocus: 26072 - TRAMP Extension For Emacs Multiple Insecure Temporary File Creation Vulnerabilities
Secunia: 27244
OSVDB: 41752 - Tramp Extension for EMACS Multiple Function Temporary File Symlink Arbitrary File Overwrite
Vulnerability Center: 16664 - Tramp 2.1.10 Extension for Emacs Allows Local Overwriting of Files via Symlink Attack, Low

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/29/2019 09:47
Changes: 03/16/2015 12:18 (77), 07/29/2019 09:47 (3)
Complete: 🔍
Cache ID: 216:456:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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