GNU cpio 2.11 symlink

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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability was found in GNU cpio 2.11. It has been classified as problematic. This affects an unknown function. Performing a manipulation results in symlink. This vulnerability is reported as CVE-2015-1197. No exploit exists.

Detailsinfo

A vulnerability was found in GNU cpio 2.11. It has been classified as problematic. This affects an unknown code block. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. The summary by CVE is:

cpio 2.11, when using the --no-absolute-filenames option, allows local users to write to arbitrary files via a symlink attack on a file in an archive.

The weakness was disclosed 02/19/2015 by Alexander Cherepanov (Website). It is possible to read the advisory at lists.gnu.org. This vulnerability is uniquely identified as CVE-2015-1197 since 01/18/2015. 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 scanner Nessus provides a plugin with the ID 82319 (Mandriva Linux Security Advisory : cpio (MDVSA-2015:066)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196404 (Ubuntu Security Notification for Cpio Vulnerabilities (USN-2906-1)).

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

The vulnerability is also documented in the databases at X-Force (99952), Tenable (82319), SecurityFocus (BID 71914†) and Vulnerability Center (SBV-50738†). The entry VDB-81065 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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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

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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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Nessus ID: 82319
Nessus Name: Mandriva Linux Security Advisory : cpio (MDVSA-2015:066)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for cpio USN-2906-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/05/2015 🔍
01/05/2015 +0 days 🔍
01/18/2015 +13 days 🔍
02/19/2015 +32 days 🔍
02/19/2015 +0 days 🔍
03/30/2015 +39 days 🔍
03/30/2015 +0 days 🔍
06/29/2015 +91 days 🔍
04/16/2022 +2483 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: USN-2906-1
Researcher: Alexander Cherepanov
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-1197 (🔍)
GCVE (CVE): GCVE-0-2015-1197
GCVE (VulDB): GCVE-100-74247
X-Force: 99952
SecurityFocus: 71914 - Cpio Symlink Directory Traversal Vulnerability
Vulnerability Center: 50738 - cpio 2.11 Local File System Write via a Symlink Attack, Low

See also: 🔍

Entryinfo

Created: 03/30/2015 12:16
Updated: 04/16/2022 16:17
Changes: 03/30/2015 12:16 (61), 07/02/2017 12:01 (10), 04/16/2022 16:09 (3), 04/16/2022 16:17 (1)
Complete: 🔍
Cache ID: 216::103

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