Vulnerability Details : CVE-2017-14099
In res/res_rtp_asterisk.c in Asterisk 11.x before 11.25.2, 13.x before 13.17.1, and 14.x before 14.6.1 and Certified Asterisk 11.x before 11.6-cert17 and 13.x before 13.13-cert5, unauthorized data disclosure (media takeover in the RTP stack) is possible with careful timing by an attacker. The "strictrtp" option in rtp.conf enables a feature of the RTP stack that learns the source address of media for a session and drops any packets that do not originate from the expected address. This option is enabled by default in Asterisk 11 and above. The "nat" and "rtp_symmetric" options (for chan_sip and chan_pjsip, respectively) enable symmetric RTP support in the RTP stack. This uses the source address of incoming media as the target address of any sent media. This option is not enabled by default, but is commonly enabled to handle devices behind NAT. A change was made to the strict RTP support in the RTP stack to better tolerate late media when a reinvite occurs. When combined with the symmetric RTP support, this introduced an avenue where media could be hijacked. Instead of only learning a new address when expected, the new code allowed a new source address to be learned at all times. If a flood of RTP traffic was received, the strict RTP support would allow the new address to provide media, and (with symmetric RTP enabled) outgoing traffic would be sent to this new address, allowing the media to be hijacked. Provided the attacker continued to send traffic, they would continue to receive traffic as well.
Vulnerability category: Information leak
Products affected by CVE-2017-14099
- cpe:2.3:a:digium:asterisk:11.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.1.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.0:-:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.9.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.9.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.11.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.6.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.9.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.4.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.13.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.12.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.1:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.0:*:*:*:lts:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.0:*:*:*:lts:*:*:*
- cpe:2.3:a:digium:asterisk:13.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.17.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.7.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.21.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.20.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.15.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.15.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.7.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.21.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.16.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.19.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.18.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.18.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.10.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.15.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.0:beta3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.8.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.17.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.23.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.10.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.21.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.21.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.22.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.10.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.11.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.13.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.14.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.22.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.23.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.9.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.13:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.12:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.01:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.02:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.23.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.11.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.25.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.12.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.12.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.0:beta1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.0:beta2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.24.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.24.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.11.2:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.12.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.13.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.16.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.15.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.14.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.14.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.15.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.15.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.14.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.17.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.17.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.16.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.16.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.15.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.15.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.14.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:13.13.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.5.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.3.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.4.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.4.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.4.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.6.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.5.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:14.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:asterisk:11.25.1:*:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1_rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert1_rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert4:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert5:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert6:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert7:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert13:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert10:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert11:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert12:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert8:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert9:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert14_rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert15:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert16:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert14:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:11.6:cert14_rc2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc4:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert2:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert3:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert4:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1:*:*:*:*:*:*
- cpe:2.3:a:digium:certified_asterisk:13.13:cert1_rc2:*:*:*:*:*:*
Threat overview for CVE-2017-14099
Top countries where our scanners detected CVE-2017-14099
Top open port discovered on systems with this issue
8088
IPs affected by CVE-2017-14099 11,510
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2017-14099!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2017-14099
0.37%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-14099
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-14099
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-14099
-
http://www.debian.org/security/2017/dsa-3964
Debian -- Security Information -- DSA-3964-1 asterisk
-
http://www.securitytracker.com/id/1039251
Asterisk Strict RTP/RTCP Support Bug Lets Remote Users Hijack the Target Media Session - SecurityTrackerThird Party Advisory;VDB Entry
-
https://rtpbleed.com
Third Party Advisory
-
http://downloads.asterisk.org/pub/security/AST-2017-005.html
AST-2017-005Vendor Advisory
-
https://issues.asterisk.org/jira/browse/ASTERISK-27013
[ASTERISK-27013] res_rtp_asterisk: Media can be hijacked even with strict RTP enabled - Digium/Asterisk JIRAIssue Tracking;Patch;Third Party Advisory
-
https://security.gentoo.org/glsa/201710-29
Asterisk: Multiple vulnerabilities (GLSA 201710-29) — Gentoo security
-
https://bugs.debian.org/873907
#873907 - asterisk: CVE-2017-14099: AST-2017-005: Media takeover in RTP stack - Debian Bug report logsIssue Tracking;Patch;Third Party Advisory
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