VDB-8052 · CVE-2013-1825 · SA52936

Linux Kernel up to 3.8.2 Crypto API information disclosure

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.
3.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 3.8.2. Affected by this vulnerability is an unknown functionality of the component Crypto API. The manipulation results in information disclosure. This vulnerability is reported as CVE-2013-1825. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 3.8.2 (Operating System). It has been classified as problematic. Affected is some unknown functionality of the component Crypto API. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2013-2546, CVE-2013-2547, CVE-2013-2548. Reason: This candidate is a duplicate of CVE-2013-2546, CVE-2013-2547, and CVE-2013-2548. Notes: All CVE users should reference one or more of CVE-2013-2546, CVE-2013-2547, and CVE-2013-2548 instead of this candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

The weakness was disclosed 02/06/2013 by Mathias Krause as not defined mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2013-1825 since 02/19/2013. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1592.

Upgrading to version 3.8.3 eliminates this vulnerability. Applying the patch 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at OSVDB (91506†) and Secunia (SA52936†). The entries VDB-7907, VDB-7908, VDB-7909 and VDB-7910 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
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: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

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

OpenVAS ID: 865443
OpenVAS Name: Fedora Update for kernel FEDORA-2013-3630
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 3.8.3
Patch: 9a5467bf7b6e9e02ec9c3da4e23747c05faeaac6

Timelineinfo

02/05/2013 🔍
02/06/2013 +1 days 🔍
02/19/2013 +13 days 🔍
03/15/2013 +24 days 🔍
03/22/2013 +7 days 🔍
04/09/2013 +18 days 🔍
05/04/2018 +1851 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: seclists.org
Researcher: Mathias Krause
Status: Not defined

CVE: CVE-2013-1825 (🔍)
GCVE (CVE): GCVE-0-2013-1825
GCVE (VulDB): GCVE-100-8052
Secunia: 52936 - Ubuntu update for kernel, Less Critical
OSVDB: 91506

See also: 🔍

Entryinfo

Created: 03/22/2013 14:20
Updated: 05/04/2018 09:12
Changes: 03/22/2013 14:20 (47), 05/04/2018 09:12 (13)
Complete: 🔍
Committer:
Cache ID: 216:4F4:103