Digium Asterisk up to 1.2.6 format_jpeg.c memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Digium Asterisk. Impacted is an unknown function of the file format_jpeg.c. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2006-1827. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Digium Asterisk (Communications System) and classified as critical. This issue affects an unknown code of the file format_jpeg.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity, and availability. The summary by CVE is:

Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.

The bug was discovered 04/07/2006. The weakness was published 04/18/2006 (Website). The advisory is shared at cipher.org.uk. The identification of this vulnerability is CVE-2006-1827 since 04/18/2006. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21468 (FreeBSD : asterisk -- denial of service vulnerability, local system access (8b683bea-d49c-11da-a672-000e0c2e438a)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25999), Tenable (21468), SecurityFocus (BID 17561†), OSVDB (24893†) and Secunia (SA19800†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21468
Nessus Name: FreeBSD : asterisk -- denial of service vulnerability, local system access (8b683bea-d49c-11da-a672-000e0c2e438a)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56668
OpenVAS Name: Debian Security Advisory DSA 1048-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/07/2006 🔍
04/17/2006 +10 days 🔍
04/18/2006 +1 days 🔍
04/18/2006 +0 days 🔍
04/18/2006 +0 days 🔍
04/18/2006 +0 days 🔍
04/25/2006 +7 days 🔍
05/13/2006 +18 days 🔍
05/22/2006 +9 days 🔍
03/12/2015 +3216 days 🔍
06/18/2019 +1559 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: cipher.org.uk
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-1827 (🔍)
GCVE (CVE): GCVE-0-2006-1827
GCVE (VulDB): GCVE-100-29705
X-Force: 25999
SecurityFocus: 17561 - Asterisk JPEG File Handling Integer Overflow Vulnerability
Secunia: 19800
OSVDB: 24893 - Asterisk - JPEG File Handling - Integer Overflow Issue
Vulnerability Center: 11517 - Asterisk Code Execution via Integer Signedness Error in format_jpeg.c, Medium
Vupen: ADV-2006-1478

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/18/2019 12:45
Changes: 03/12/2015 12:19 (73), 06/18/2019 12:45 (8)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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