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.
5.1	$0-$5k	0.00

A vulnerability classified as critical has been found in Libskba up to 1.3.0. This affects the function ksba_oid_to_str. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on availability. The summary by CVE is:

Integer underflow in the ksba_oid_to_str function in Libksba before 1.3.2, as used in GnuPG, allows remote attackers to cause a denial of service (crash) via a crafted OID in a (1) S/MIME message or (2) ECC based OpenPGP data, which triggers a buffer overflow.

The weakness was published 12/01/2014 (Website). It is possible to read the advisory at ubuntu.com. This vulnerability is uniquely identified as CVE-2014-9087 since 11/26/2014. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 80166 (SuSE 11.3 Security Update : libksba (SAT Patch Number 10087)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195689 (Ubuntu Security Notification for Libksba Vulnerability (USN-2427-1)).

Upgrading to version 1.3.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (98935), Tenable (80166), SecurityFocus (BID 71285†), Secunia (SA60073†) and Vulnerability Center (SBV-47396†).

Productinfo

Name

• Libskba

Version

• 1.0
• 1.1
• 1.2
• 1.3

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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: 80166
Nessus Name: SuSE 11.3 Security Update : libksba (SAT Patch Number 10087)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703078
OpenVAS Name: Debian Security Advisory DSA 3078-1 (libksba - 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: Libskba 1.3.1

Timelineinfo

11/25/2014 🔍
11/25/2014 +0 days 🔍
11/26/2014 +1 days 🔍
11/28/2014 +2 days 🔍
12/01/2014 +3 days 🔍
12/01/2014 +0 days 🔍
12/03/2014 +2 days 🔍
12/22/2014 +19 days 🔍
03/27/2015 +95 days 🔍
12/08/2024 +3544 days 🔍

Sourcesinfo

Advisory: USN-2427-1
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-9087 (🔍)
OVAL: 🔍

X-Force: 98935
SecurityFocus: 71285 - Libksba 'ksba_oid_to_str() Function Buffer Overflow Vulnerability
Secunia: 60073 - Debian update for libksba, Moderately Critical
Vulnerability Center: 47396 - Libksba before 1.3.2 Remote DoS due to Improper Bounds Checking by the ksba_oid_to_str() Function, Medium

Entryinfo

Created: 03/27/2015 02:56 PM
Updated: 12/08/2024 05:53 PM
Changes: 03/27/2015 02:56 PM (68), 06/13/2017 08:47 AM (6), 04/04/2022 06:30 PM (3), 04/04/2022 06:37 PM (1), 12/08/2024 05:53 PM (24)
Complete: 🔍
Cache ID: 18:DC5:40

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