The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit…

Description

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.

Scores

EPSS (exploitation in 30 days)

1.8% · top 22% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• 3047 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
• ADV-2007-2953 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• http://downloads.digium.com/pub/asa/AST-2007-020.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• 25392 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 20070821 AST-2007-020: Resource Exhaustion Vulnerability in Asterisk SIP channel driver (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
• asterisk-sip-dialoghistory-dos(36145) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 26553 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 1018595 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 7 Aug 2024, 14:53 UTC.