ncompress 4.2.4 R1 symlink

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in ncompress 4.2.4 R1. Affected is an unknown function. Executing a manipulation can lead to symlink. The identification of this vulnerability is CVE-2005-2991. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in ncompress 4.2.4 R1. This vulnerability affects an unknown part. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect integrity. CVE summarizes:

ncompress 4.2.4 and earlier allows local users to overwrite arbitrary files via a symlink attack on temporary files using (1) zdiff or (2) zcmp, a different vulnerability than CVE-2004-0970.

The weakness was shared 09/20/2005 (Website). The advisory is shared for download at zataz.net. This vulnerability was named CVE-2005-2991 since 09/20/2005. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.0
VulDB Temp Score: 4.0
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: Symlink
CWE: CWE-61 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/20/2005 🔍
09/20/2005 +0 days 🔍
09/20/2005 +0 days 🔍
03/11/2015 +3459 days 🔍
07/11/2018 +1218 days 🔍

Sourcesinfo

Advisory: zataz.net
Status: Not defined

CVE: CVE-2005-2991 (🔍)
GCVE (CVE): GCVE-0-2005-2991
GCVE (VulDB): GCVE-100-26344

Entryinfo

Created: 03/11/2015 23:39
Updated: 07/11/2018 04:21
Changes: 03/11/2015 23:39 (38), 07/11/2018 04:21 (6)
Complete: 🔍
Cache ID: 216::103

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