VDB-102048 · CVE-2015-8326 · Nessus 87353

IPTables-Parse Module up to 1.5 on Perl File link following

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in IPTables-Parse Module up to 1.5 on Perl. Affected by this issue is some unknown functionality. The manipulation results in link following (File). This vulnerability was named CVE-2015-8326. The attack needs to be approached locally. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in IPTables-Parse Module up to 1.5 on Perl. It has been classified as problematic. Affected is some unknown functionality. The manipulation with an unknown input leads to a link following vulnerability (File). 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. CVE summarizes:

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user.

The bug was discovered 11/24/2015. The weakness was presented 06/07/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is traded as CVE-2015-8326 since 11/24/2015. The attack needs to be approached locally. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 20 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 87353 (Amazon Linux AMI : perl-IPTables-Parse (ALAS-2015-627)), 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 350075 (Amazon Linux Security Advisory for perl-IPTables-Parse: ALAS-2015-627).

Upgrading to version 1.6 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (87353). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

IPTables-Parse Module

Version

License

open-source

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

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Link following / File
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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 87353
Nessus Name: Amazon Linux AMI : perl-IPTables-Parse (ALAS-2015-627)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-627
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IPTables-Parse Module 1.6
Patch: github.com

Timelineinfo

11/24/2015 🔍
11/24/2015 +0 days 🔍
12/14/2015 +20 days 🔍
12/15/2015 +1 days 🔍
06/07/2017 +540 days 🔍
06/07/2017 +0 days 🔍
06/07/2017 +0 days 🔍
11/11/2024 +2714 days 🔍