Asterisk Open Source 1.8 before 1.8.32.3, 11.x before 11.17.1, 12.x before 12.8.2, and 13.x before 13.3.2 and Certified Asterisk 1.8.28 befo
Asterisk Open Source 1.8 before 1.8.32.3, 11.x before 11.17.1, 12.x before 12.8.2, and 13.x before 13.3.2 and Certified Asterisk 1.8.28 before 1.8.28-cert5, 11.6 before 11.6-cert11, and 13.1 before 13.1-cert2, when registering a SIP TLS device, does not properly handle a null byte in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.
- Published
- Apr 10, 2015
- Updated
- Jun 16, 2026
- EPSS
- 46.0% · 99th percentile
- CWE
- CWE-310
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Report tools
Action score
31
Monitor
Low priority for now.
- CVSS
- 17 / 40 · 4.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 14 / 30 · 46.0%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| digium | asterisk | cpe:2.3:a:digium:asterisk |
| digium | certified asterisk | cpe:2.3:a:digium:certified_asterisk |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- digium asterisk1.8.0
- digium asterisk1.8.1
- digium asterisk1.8.1.1
- digium asterisk1.8.1.2
- digium asterisk1.8.10.0
- digium asterisk1.8.10.1
- digium asterisk1.8.11.0
- digium asterisk1.8.11.1
- digium asterisk1.8.12
- digium asterisk1.8.12.0
- digium asterisk1.8.12.1
- digium asterisk1.8.12.2
- digium asterisk1.8.13.0
- digium asterisk1.8.13.1
- digium asterisk1.8.14.0
- digium asterisk1.8.14.1
- digium asterisk1.8.15.0
- digium asterisk1.8.15.1
- digium asterisk1.8.16.0
- digium asterisk1.8.17.0
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:14 | asterisk | before 1:13.7.2~dfsg-1 | 1:13.7.2~dfsg-1 |
| Debian:7 | asterisk | before 1:1.8.13.1~dfsg1-3+deb7u4 | 1:1.8.13.1~dfsg1-3+deb7u4 |
| Debian:8 | asterisk | before 1:11.13.1~dfsg-2+deb8u1 | 1:11.13.1~dfsg-2+deb8u1 |
Same product
digium: all recordsOther highest-scoring records for the same primary product.
- CVE-2006-5444Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c) in Asterisk 1.0.x before 1.0.12 and 1.2.x before 1.256Plan
- CVE-2017-17850An issue was discovered in Asterisk 13.18.4 and older, 14.7.4 and older, 15.1.4 and older, and 13.18-cert1 and older.53Plan
- CVE-2019-18610An issue was discovered in manager.c in Sangoma Asterisk through 13.x, 16.x, 17.x and Certified Asterisk 13.21 through 13.21-cert4.50Plan
- CVE-2018-7284A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk thr50Plan
- CVE-2018-17281There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x 46Plan
- CVE-2017-14098In the pjsip channel driver (res_pjsip) in Asterisk 13.x before 13.17.1 and 14.x before 14.6.1, a carefully crafted tel URI in a From, To, o45Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:asterisk | 1:13.7.2~dfsg-1 · Debian:14 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- M
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
CWE-310 · Cryptographic IssuesCVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
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References
- advisories.mageia.org/MGASA-2015-0153.html
- downloads.asterisk.org/pub/security/AST-2015-003.html
- lists.fedoraproject.org/pipermail/package-announce/2015-July/162260.html
- packetstormsecurity.com/files/131364/Asterisk-Project-Security-Advisory-AST-2015-003.html
- seclists.org/fulldisclosure/2015/Apr/22
- www.debian.org/security/2016/dsa-3700
- www.mandriva.com/security/advisories?name=MDVSA-2015:206
- www.securityfocus.com/archive/1/535222/100/0/threaded
- www.securityfocus.com/bid/74022
- www.securitytracker.com/id/1032052
Vendor advisories and official records. Exploit/PoC links are deliberately left out.