CVE-2011-4598
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1...
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
Exploit likelihood
What each source reports
NVD Score used
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
- Record
CVE-2011-4598- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-200
- Updated
- 2026-11-02
CVE List No score
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
- Record
CVE-2011-4598- Updated
- 2026-11-02
EUVDEUVD-2011-4522 No score
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
- Record
EUVD-2011-4522- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w869-x8wp-7hr5 No score
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1...
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
- Record
GHSA-w869-x8wp-7hr5- Weakness
- CWE-200
- Updated
- 2026-11-02
OSV No score
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
- Record
CVE-2011-4598- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4598 No score
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
- Record
DEBIAN-CVE-2011-4598- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
asteriskDebian:14 |
before 1:1.8.8.0~dfsg-1, plus listed versions 0.1.11-30.1.11-3woody11:1.0.5-21:1.0.5-41:1.0.6-1 Show 45 moreShow less1:1.0.6-21:1.0.7-11:1.0.7.dfsg.1-11:1.0.7.dfsg.1-21:1.0.7.dfsg.1-2sarge11:1.0.7.dfsg.1-2sarge21:1.0.7.dfsg.1-2sarge31:1.0.7.dfsg.1-2sarge41:1.0.7.dfsg.1-2sarge51:1.0.7.dfsg.1-2sarge61:1.0.9.dfsg-11:1.0.9.dfsg-31:1.0.9.dfsg-41:1.0.9.dfsg-51:1.0.9.dfsg-61:1.2.0-beta1.dfsg-11:1.2.0-beta2.dfsg-11:1.2.0-beta2.dfsg-21:1.2.0-beta2.dfsg-31:1.2.0-rc1.dfsg-11:1.2.0-rc2.dfsg-11:1.2.0.dfsg-11:1.2.0.dfsg-21:1.2.0.dfsg-31:1.2.0.dfsg-41:1.2.0.dfsg-51:1.2.0.dfsg-61:1.2.1.dfsg-11:1.2.1.dfsg-21:1.2.1.dfsg-31:1.2.10.dfsg-11:1.2.10.dfsg-1bpo11:1.2.10.dfsg-21:1.2.10.dfsg-31:1.2.11.dfsg-11:1.2.12.1.dfsg-11:1.2.13~dfsg-11:1.2.13~dfsg-21:1.2.13~dfsg-2etch11:1.2.13~dfsg-2etch21:1.2.13~dfsg-2etch31:1.2.13~dfsg-2etch41:1.2.14~dfsg-11:1.2.14~dfsg-21:1.2.14~dfsg-3 |
1:1.8.8.0~dfsg-1 |
asteriskDebian:6.0 From an advisory covering 2 CVEs |
before 1:1.6.2.9-2+squeeze4, plus listed versions 1:1.6.2.9-21:1.6.2.9-2+squeeze11:1.6.2.9-2+squeeze21:1.6.2.9-2+squeeze3 |
1:1.6.2.9-2+squeeze4 |
asteriskDebian:5.0 From an advisory covering 2 CVEs |
before 1:1.4.21.2~dfsg-3+lenny6, plus listed versions 1:1.4.21.2~dfsg-31:1.4.21.2~dfsg-3+lenny11:1.4.21.2~dfsg-3+lenny21:1.4.21.2~dfsg-3+lenny2.11:1.4.21.2~dfsg-3+lenny31:1.4.21.2~dfsg-3+lenny5 |
1:1.4.21.2~dfsg-3+lenny6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-4598 is a medium vulnerability (CVSS 4.3) in Digium Asterisk, published December 15, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.35%, the 83rd percentile. Fixed in asterisk 1:1.8.8.0~dfsg-1.
References
openwall.com/lists/oss-security/2011/12/09/4
secunia.com/advisories/47273
osvdb.org/77598
downloads.asterisk.org/pub/security/AST-2011-014.html
debian.org/security/2011/dsa-2367
nvd.nist.gov/vuln/detail/CVE-2011-4598
github.com/advisories/GHSA-w869-x8wp-7hr5
security-tracker.debian.org/tracker/CVE-2011-4598
Left out here: 94 versions. The JSON record has them.