man-db up to 2.7.6.1 ManDB Cleanup /var/cache/man access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in man-db up to 2.7.6.1. Affected by this vulnerability is an unknown functionality of the file /var/cache/man of the component ManDB Cleanup. The manipulation results in access control. This vulnerability is cataloged as CVE-2015-1336. The attack must be initiated from a local position. Furthermore, there is an exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in man-db up to 2.7.6.1. Affected is an unknown function of the file /var/cache/man of the component ManDB Cleanup. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The daily mandb cleanup job in Man-db before 2.7.6.1-1 as packaged in Ubuntu and Debian allows local users with access to the man account to gain privileges via vectors involving insecure chown use.

The bug was discovered 01/27/2017. The weakness was shared 09/28/2017 by halfdog (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2015-1336 since 01/22/2015. The attack needs to be approached locally. The successful exploitation requires a authentication. Technical details and a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1068.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 163 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 101343 (GLSA-201707-12 : MAN DB: Privilege escalation), 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 to version 2.7.6.1-1 eliminates this vulnerability. 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 Exploit-DB (41158), Tenable (101343) and SecurityFocus (BID 79723†). 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: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101343
Nessus Name: GLSA-201707-12 : MAN DB: Privilege escalation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: man-db 2.7.6.1-1

Timelineinfo

01/22/2015 🔍
12/17/2015 +329 days 🔍
01/27/2017 +407 days 🔍
07/09/2017 +163 days 🔍
07/10/2017 +1 days 🔍
09/27/2017 +79 days 🔍
09/28/2017 +1 days 🔍
09/28/2017 +0 days 🔍
11/25/2024 +2615 days 🔍

Sourcesinfo

Advisory: 140759
Researcher: halfdog (halfdog)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1336 (🔍)
GCVE (CVE): GCVE-0-2015-1336
GCVE (VulDB): GCVE-100-107184
SecurityFocus: 79723 - Ubuntu Vivid CVE-2015-1336 Local Privilege Escalation Vulnerability

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/28/2017 11:00
Updated: 11/25/2024 17:59
Changes: 09/28/2017 11:00 (68), 11/20/2019 08:41 (5), 01/14/2021 15:24 (2), 12/30/2022 10:11 (3), 06/29/2024 20:52 (21), 11/25/2024 17:59 (3)
Complete: 🔍
Cache ID: 216::103

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

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