ELinks 0.11.1/0.11.1-1/0.11.2/0.11.3 entity_cache memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in ELinks 0.11.1/0.11.1-1/0.11.2/0.11.3. It has been classified as critical. This issue affects the function entity_cache. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2008-7224. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in ELinks 0.11.1/0.11.1-1/0.11.2/0.11.3 and classified as critical. Affected by this vulnerability is the function entity_cache. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

Buffer overflow in entity_cache in ELinks before 0.11.4rc0 allows remote attackers to cause a denial of service (crash) via a crafted link.

The bug was discovered 07/29/2006. The weakness was shared 02/04/2008 by Jakub Wilk (Website). It is possible to read the advisory at osvdb.org. This vulnerability is known as CVE-2008-7224. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 555 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 44767 (Debian DSA-1902-1 : elinks - buffer overflow), 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 155766 (Oracle Enterprise Linux Update for ELinks (ELSA-2009-1471)).

Upgrading to version 0.11.1-1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (44767), SecurityFocus (BID 36574†), OSVDB (41949†) and Vulnerability Center (SBV-23618†). The entry VDB-36174 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 44767
Nessus Name: Debian DSA-1902-1 : elinks - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 65745
OpenVAS Name: Debian Security Advisory DSA 1902-1 (elinks)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ELinks 0.11.1-1

Timelineinfo

07/26/2006 🔍
07/26/2006 +0 days 🔍
07/29/2006 +3 days 🔍
02/04/2008 +555 days 🔍
02/21/2008 +17 days 🔍
09/14/2009 +570 days 🔍
09/14/2009 +0 days 🔍
10/07/2009 +23 days 🔍
02/24/2010 +140 days 🔍
03/18/2015 +1848 days 🔍
08/22/2021 +2349 days 🔍

Sourcesinfo

Advisory: osvdb.org⛔
Researcher: Jakub Wilk
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-7224 (🔍)
GCVE (CVE): GCVE-0-2008-7224
GCVE (VulDB): GCVE-100-49999

OVAL: 🔍

SecurityFocus: 36574 - ELinks 'entity_cache' HTML File Off By One Buffer Overflow Vulnerability
OSVDB: 41949 - ELinks entity_cache Function Overflow
Vulnerability Center: 23618 - ELinks < 0.11.4rc0 Entity Cache Remote Arbitrary Code Execution Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/22/2021 14:27
Changes: 03/18/2015 15:15 (67), 02/15/2017 09:26 (9), 08/22/2021 14:25 (4), 08/22/2021 14:27 (1)
Complete: 🔍
Cache ID: 216:679:103

Be aware that VulDB is the high quality source for vulnerability data.

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