perltidy up to 20160302 link following

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in perltidy up to 20160302 and classified as problematic. This affects an unknown part. Performing a manipulation results in link following. This vulnerability was named CVE-2016-10374. The attack needs to be approached locally. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in perltidy up to 20160302 (Programming Language Software). This affects an unknown part. 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:

perltidy through 20160302, as used by perlcritic, check-all-the-things, and other software, relies on the current working directory for certain output files and does not have a symlink-attack protection mechanism, which allows local users to overwrite arbitrary files by creating a symlink, as demonstrated by creating a perltidy.ERR symlink that the victim cannot delete.

The bug was discovered 08/13/2016. The weakness was presented 05/17/2017 (Website). The advisory is shared at bugs.debian.org. This vulnerability is uniquely identified as CVE-2016-10374 since 05/17/2017. An attack has to be approached locally. A authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 277 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100741 (Fedora 24 : perltidy (2017-1f11501a9f)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276701 (Fedora Security Update for perltidy (FEDORA-2017-a3c7d077c7)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100741). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • perlcritic
  • check-all-the-things

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

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

NVD Base Score: 5.5
NVD Vector: 🔍

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: 100741
Nessus Name: Fedora 24 : perltidy (2017-1f11501a9f)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for perltidy FEDORA-2017-a3c7d077c7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

08/13/2016 🔍
05/17/2017 +277 days 🔍
05/17/2017 +0 days 🔍
05/17/2017 +0 days 🔍
05/18/2017 +1 days 🔍
06/11/2017 +24 days 🔍
06/13/2017 +2 days 🔍
10/19/2024 +2685 days 🔍

Sourcesinfo

Advisory: FEDORA-2017-1f11501a9f
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-10374 (🔍)
GCVE (CVE): GCVE-0-2016-10374
GCVE (VulDB): GCVE-100-101433
OSVDB: - CVE-2016-10374 - Perltidy - Symlink Issue

Entryinfo

Created: 05/18/2017 16:13
Updated: 10/19/2024 23:32
Changes: 05/18/2017 16:13 (69), 09/29/2020 22:30 (5), 12/06/2022 14:30 (4), 10/19/2024 23:32 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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