Vulnerability Details : CVE-2018-19278
Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1 allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a buffer size is supposed to match an expanded length but actually matches a compressed length.
Vulnerability category: Overflow
Products affected by CVE-2018-19278
- cpe:2.3:a:digium:asterisk:15.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.4.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.3.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.0.0:b1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:16.0.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:16.0.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:16.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:16.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:15.0.0:*:*:*:*:*:*:*
Threat overview for CVE-2018-19278
Top countries where our scanners detected CVE-2018-19278
Top open port discovered on systems with this issue
80
IPs affected by CVE-2018-19278 381
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2018-19278!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
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Exploit prediction scoring system (EPSS) score for CVE-2018-19278
0.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19278
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-19278
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19278
-
https://downloads.asterisk.org/pub/security/AST-2018-010.html
AST-2018-010Patch;Vendor Advisory
-
https://issues.asterisk.org/jira/browse/ASTERISK-28127
[ASTERISK-28127] Buffer overflow for DNS SRV/NAPTR records - Digium/Asterisk JIRAExploit;Vendor Advisory
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