perltidy up to 20120701-1 make_temporary_filename Filename access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in perltidy up to 20120701-1. Affected by this vulnerability is the function make_temporary_filename. The manipulation as part of Filename leads to access control. This vulnerability is documented as CVE-2014-2277. The attack needs to be performed locally. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in perltidy up to 20120701-1 (Programming Language Software). This issue affects the function make_temporary_filename. The manipulation as part of a Filename leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

The make_temporary_filename function in perltidy 20120701-1 and earlier allows local users to obtain sensitive information or write to arbitrary files via a symlink attack, related to use of the tmpnam function.

The bug was discovered 03/10/2014. The weakness was released 10/17/2017 by Jakub Wilk (Website). The advisory is shared at lists.fedoraproject.org. The identification of this vulnerability is CVE-2014-2277 since 03/04/2014. An attack has to be approached locally. A simple authentication is required for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 97 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 78299 (Amazon Linux AMI : perltidy (ALAS-2014-356)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350373 (Amazon Linux Security Advisory for perltidy: ALAS-2014-356).

Upgrading 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 Tenable (78299), SecurityFocus (BID 66139†) and OSVDB (103967†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

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

NVD Base Score: 7.1
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: Access control
CWE: CWE-284 / CWE-266
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: 78299
Nessus Name: Amazon Linux AMI : perltidy (ALAS-2014-356)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: ALAS-2014-356
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/04/2014 🔍
03/08/2014 +4 days 🔍
03/10/2014 +2 days 🔍
06/15/2014 +97 days 🔍
10/12/2014 +119 days 🔍
10/17/2017 +1101 days 🔍
10/17/2017 +0 days 🔍
10/18/2017 +1 days 🔍
01/17/2021 +1187 days 🔍

Sourcesinfo

Advisory: lists.fedoraproject.org
Researcher: Jakub Wilk
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-2277 (🔍)
GCVE (CVE): GCVE-0-2014-2277
GCVE (VulDB): GCVE-100-107921
X-Force: 92104
SecurityFocus: 66139 - Perl Perltidy Package CVE-2014-2277 Insecure File Creation Vulnerability
OSVDB: 103967 - CVE-2014-2277 - PerlTidy - Symlink Issue

Entryinfo

Created: 10/18/2017 08:56
Updated: 01/17/2021 09:09
Changes: 10/18/2017 08:56 (76), 11/25/2019 15:23 (6), 01/17/2021 09:09 (2)
Complete: 🔍
Cache ID: 216::103

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

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