Vulnerability in Digium Asterisk
CVE-2010-1224
main/acl.c in Asterisk Open Source 1.6.0.x before 1.6.0.25, 1.6.1.x before 1.6.1.17, and 1.6.2.x before 1.6.2.5 does not properly enforce remote host access controls when CIDR notation "/0" is used in permit= and deny= configuration rules, which causes an improper arithmetic shift and might allow remote attackers to bypass ACL rules and access services from unauthorized hosts.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.036 (88.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.036 · change: +0.000
Affected products
- Digium Asterisk — versions 1.6.2.3, 1.6.0.6, 1.6.1
Weakness classification (CWE)
References
- downloads.asterisk.org/pub/security/AST-2010-003-1.6.0.diff
- downloads.asterisk.org/pub/security/AST-2010-003-1.6.1.diff
- downloads.asterisk.org/pub/security/AST-2010-003-1.6.2.diff (Patch)
- downloads.asterisk.org/pub/security/AST-2010-003.html
- lists.fedoraproject.org/pipermail/package-announce/2010-March/037679.html (vendor-advisory)
- osvdb.org/62588 (vdb-entry)
- secunia.com/advisories/38752 (third-party-advisory, Vendor Advisory)
- secunia.com/advisories/39096 (third-party-advisory)
- www.securityfocus.com/archive/1/509757/100/0/threaded (mailing-list)
- www.securityfocus.com/bid/38424 (vdb-entry)