Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2006-1827

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.

Security Impact Summary

CVE-2006-1827 is a security vulnerability that . Impacting 1 product from digium organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2006, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2006-04-18T20:02:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	digium	asterisk	≤ 1.2.6	Yes
Application	digium	asterisk	0.1.0	Yes
Application	digium	asterisk	0.1.1	Yes
Application	digium	asterisk	0.1.2	Yes
Application	digium	asterisk	0.1.3	Yes
Application	digium	asterisk	0.1.4	Yes
Application	digium	asterisk	0.1.5	Yes
Application	digium	asterisk	0.1.6	Yes
Application	digium	asterisk	0.1.7	Yes
Application	digium	asterisk	0.1.8	Yes
Application	digium	asterisk	0.1.9	Yes
Application	digium	asterisk	0.1.9.1	Yes
Application	digium	asterisk	0.1.10	Yes
Application	digium	asterisk	0.1.11	Yes
Application	digium	asterisk	0.1.12	Yes
Application	digium	asterisk	0.2	Yes
Application	digium	asterisk	0.2.0	Yes
Application	digium	asterisk	0.3	Yes
Application	digium	asterisk	0.3.0	Yes
Application	digium	asterisk	0.4	Yes
Application	digium	asterisk	0.4.0	Yes
Application	digium	asterisk	0.5.0	Yes
Application	digium	asterisk	0.7.0	Yes
Application	digium	asterisk	0.7.1	Yes
Application	digium	asterisk	0.7.2	Yes
Application	digium	asterisk	1.0.0	Yes
Application	digium	asterisk	1.0.1	Yes
Application	digium	asterisk	1.0.2	Yes
Application	digium	asterisk	1.0.3	Yes
Application	digium	asterisk	1.0.4	Yes
Application	digium	asterisk	1.0.5	Yes
Application	digium	asterisk	1.0.6	Yes
Application	digium	asterisk	1.0.7	Yes
Application	digium	asterisk	1.0.8	Yes
Application	digium	asterisk	1.0.9	Yes
Application	digium	asterisk	1.0_rc1	Yes
Application	digium	asterisk	1.0_rc2	Yes
Application	digium	asterisk	1.2.0_beta1	Yes

References

http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz Patch ([email protected])
http://secunia.com/advisories/19800 ([email protected])
http://secunia.com/advisories/19872 ([email protected])
http://secunia.com/advisories/19897 ([email protected])
http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory Exploit, Patch ([email protected])
http://www.debian.org/security/2006/dsa-1048 ([email protected])
http://www.novell.com/linux/security/advisories/2006_04_28.html ([email protected])
http://www.securityfocus.com/bid/17561 ([email protected])
http://www.vupen.com/english/advisories/2006/1478 ([email protected])
http://ftp.digium.com/pub/asterisk/releases/asterisk-1.2.7-patch.gz Patch (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/19800 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/19872 (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/19897 (af854a3a-2127-422b-91ae-364da2661108)
http://www.cipher.org.uk/index.php?p=advisories/Asterisk_Codec_Integer_Overflow_07-04-2006.advisory Exploit, Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2006/dsa-1048 (af854a3a-2127-422b-91ae-364da2661108)
http://www.novell.com/linux/security/advisories/2006_04_28.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/17561 (af854a3a-2127-422b-91ae-364da2661108)
http://www.vupen.com/english/advisories/2006/1478 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For digium's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.