SuSE Linux Enterprise Server 11/12/15 symlink

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

A vulnerability has been found in SuSE Linux Enterprise Server 11/12/15 (Operating System) and classified as problematic. Affected by this vulnerability is some unknown functionality. 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 confidentiality, integrity, and availability. The summary by CVE is:

A UNIX Symbolic Link (Symlink) Following vulnerability in chkstat of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15, SUSE Linux Enterprise Server 11 set permissions intended for specific binaries on other binaries because it erroneously followed symlinks. The symlinks can't be controlled by attackers on default systems, so exploitation is difficult. This issue affects: SUSE Linux Enterprise Server 12 permissions versions prior to 2015.09.28.1626-17.27.1. SUSE Linux Enterprise Server 15 permissions versions prior to 20181116-9.23.1. SUSE Linux Enterprise Server 11 permissions versions prior to 2013.1.7-0.6.12.1.

The weakness was disclosed 03/02/2020 as Bug 1163922 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.suse.com. This vulnerability is known as CVE-2020-8013 since 01/27/2020. An attack has to be approached locally. A single authentication is required for exploitation. Neither technical details nor an exploit are publicly available.

Applying a patch is able to eliminate this problem.

The entries VDB-150801, VDB-150802, VDB-150803 and VDB-150825 are pretty similar.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.2
VulDB Meta Temp Score: 3.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 2.2
NVD Vector: 🔍

CNA Base Score: 2.2
CNA Vector (SUSE): 🔍

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: 🔍

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/27/2020 🔍
03/02/2020 +35 days 🔍
03/03/2020 +1 days 🔍
04/09/2024 +1498 days 🔍

Sourcesinfo

Vendor: suse.com

Advisory: Bug 1163922
Status: Not defined

CVE: CVE-2020-8013 (🔍)
See also: 🔍

Entryinfo

Created: 03/03/2020 10:59
Updated: 04/09/2024 09:29
Changes: 03/03/2020 10:59 (40), 03/03/2020 11:04 (12), 04/09/2024 09:29 (34)
Complete: 🔍
Cache ID: 3:CA9:103

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