VDB-147758 · CVE-2011-1474 · GCVE-0-2011-1474

pax-linux arch_get_unmapped_area_topdown resource consumption

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in pax-linux 2.6.32.33-test79.patch/2.6.37.4-test14.patch/2.6.38-test3.patch. The affected element is the function arch_get_unmapped_area_topdown. Such manipulation leads to resource consumption. This vulnerability is listed as CVE-2011-1474. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in pax-linux 2.6.32.33-test79.patch/2.6.37.4-test14.patch/2.6.38-test3.patch and classified as problematic. Affected by this issue is the function arch_get_unmapped_area_topdown. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

A locally locally exploitable DOS vulnerability was found in pax-linux versions 2.6.32.33-test79.patch, 2.6.38-test3.patch, and 2.6.37.4-test14.patch. A bad bounds check in arch_get_unmapped_area_topdown triggered by programs doing an mmap after a MAP_GROWSDOWN mmap will create an infinite loop condition without releasing the VM semaphore eventually leading to a system crash.

The weakness was presented 12/27/2019. This vulnerability is handled as CVE-2011-1474 since 03/21/2011. Local access is required to approach this attack. A simple authentication is required for exploitation. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

pax-linux

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/21/2011 🔍
12/27/2019 +3203 days 🔍
12/27/2019 +0 days 🔍
03/17/2024 +1542 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2011-1474 (🔍)
GCVE (CVE): GCVE-0-2011-1474
GCVE (VulDB): GCVE-100-147758

Entryinfo

Created: 12/27/2019 08:52
Updated: 03/17/2024 10:01
Changes: 12/27/2019 08:52 (34), 12/27/2019 08:57 (17), 03/17/2024 10:01 (3)
Complete: 🔍
Cache ID: 216:BBA:103