OpenAFS up to 1.6.12 vlserver VL_ListAttributesN2 memory corruption

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenAFS up to 1.6.12. Affected by this issue is some unknown functionality of the component vlserver. Performing a manipulation as part of VL_ListAttributesN2 results in memory corruption. This vulnerability is reported as CVE-2015-3287. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OpenAFS up to 1.6.12 (File Transfer Software). This affects an unknown code of the component vlserver. The manipulation as part of a VL_ListAttributesN2 leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. The summary by CVE is:

The vlserver in OpenAFS before 1.6.13 allows remote authenticated users to cause a denial of service (out-of-bounds read and crash) via a crafted regular expression in a VL_ListAttributesN2 RPC.

The weakness was disclosed 08/12/2015 (Website). It is possible to read the advisory at openafs.org. This vulnerability is uniquely identified as CVE-2015-3287 since 04/10/2015. It is possible to initiate the attack remotely. A authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 85129 (Debian DSA-3320-1 : openafs - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175471 (Debian Security Update for openafs (DSA 3320-1)).

Upgrading to version 1.6.13 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (85129), SecurityFocus (BID 76139†) and Vulnerability Center (SBV-52322†). The entries VDB-77062, VDB-77063, VDB-77064 and VDB-77065 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• File Transfer Software

Name

• OpenAFS

Version

• 1.6.0
• 1.6.1
• 1.6.2
• 1.6.3
• 1.6.4
• 1.6.5
• 1.6.6
• 1.6.7
• 1.6.8
• 1.6.9
• 1.6.10
• 1.6.11
• 1.6.12

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 85129
Nessus Name: Debian DSA-3320-1 : openafs - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703320
OpenVAS Name: Debian Security Advisory DSA 3320-1 (openafs - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenAFS 1.6.13

Timelineinfo

04/10/2015 🔍
07/29/2015 +110 days 🔍
07/29/2015 +0 days 🔍
08/12/2015 +14 days 🔍
08/12/2015 +0 days 🔍
08/13/2015 +1 days 🔍
08/26/2015 +13 days 🔍
06/09/2022 +2479 days 🔍

Sourcesinfo

Advisory: openafs.org
Status: Not defined

CVE: CVE-2015-3287 (🔍)
GCVE (CVE): GCVE-0-2015-3287
GCVE (VulDB): GCVE-100-77067

OVAL: 🔍

SecurityFocus: 76139 - OpenAFS CVE-2015-6587 Buffer Overflow Vulnerability
Vulnerability Center: 52322 - OpenAFS before 1.6.13 Remote DoS via a Crafted Regular Expression, Medium

See also: 🔍

Entryinfo

Created: 08/13/2015 10:17
Updated: 06/09/2022 10:51
Changes: 08/13/2015 10:17 (56), 03/02/2018 10:13 (8), 06/09/2022 10:45 (8), 06/09/2022 10:51 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

Might our Artificial Intelligence support you?

Check our Alexa App!