GNU a2ps 4.14 format string

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.
6.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in GNU a2ps 4.14. Impacted is an unknown function. The manipulation results in format string. This vulnerability is identified as CVE-2015-8107. The attack is only possible with local access. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GNU a2ps 4.14. Affected is an unknown functionality. The manipulation with an unknown input leads to a format string vulnerability. CWE is classifying the issue as CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Format string vulnerability in GNU a2ps 4.14 allows remote attackers to execute arbitrary code.

The bug was discovered 11/16/2015. The weakness was released 04/13/2017 by Woosuk Lee and Jong-Gwon Kim as not defined mailinglist post (oss-sec). The advisory is available at seclists.org. This vulnerability is traded as CVE-2015-8107 since 11/11/2015. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 86999 (FreeBSD : a2ps -- format string vulnerability (e359051d-90bd-11e5-bd18-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. 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 (86999) and SecurityFocus (BID 77595†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 86999
Nessus Name: FreeBSD : a2ps -- format string vulnerability (e359051d-90bd-11e5-bd18-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/11/2015 🔍
11/16/2015 +5 days 🔍
11/16/2015 +0 days 🔍
11/22/2015 +6 days 🔍
11/23/2015 +1 days 🔍
04/13/2017 +507 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
08/30/2020 +1234 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: seclists.org
Researcher: Woosuk Lee, Jong-Gwon Kim
Status: Not defined

CVE: CVE-2015-8107 (🔍)
GCVE (CVE): GCVE-0-2015-8107
GCVE (VulDB): GCVE-100-99786
SecurityFocus: 77595 - GNU a2ps CVE-2015-8107 Format String Vulnerability
OSVDB: - CVE-2015-8107 - GNU - a2ps - Format String Issue

Entryinfo

Created: 04/14/2017 10:50
Updated: 08/30/2020 16:10
Changes: 04/14/2017 10:50 (63), 08/30/2020 16:10 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!