vulnwire
3.5low

CVE-2009-0871

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk B…

Published 17 y ago · modified 4 mo ago · JSON

CVSS
3.5
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.6%
percentile 85%
Public exploits
0
none known

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.

Exploit prediction (EPSS)

2.57% probability of exploitation in the next 30 days, higher than 85% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD2.03.5AV:N/AC:M/Au:S/C:N/I:N/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

  • osvdb.org /52568 · vdb-entry, x_refsource_OSVDB, x_transferred
  • securityfocus.com /bid/34070 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id?1021834 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /archive/1/501656/100/0/threaded · mailing-list, x_refsource_BUGTRAQ, x_transferred
  • bugs.digium.com /view.php?id=14417 · x_refsource_CONFIRM, x_transferred
  • bugs.digium.com /view.php?id=13547 · x_refsource_CONFIRM, x_transferred
  • downloads.digium.com /pub/security/AST-2009-002.html · x_refsource_CONFIRM, x_transferred
  • vupen.com /english/advisories/2009/0667 · vdb-entry, x_refsource_VUPEN, x_transferred
  • secunia.com /advisories/34229 · third-party-advisory, x_refsource_SECUNIA, x_transferred

Sources

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