CVE-2017-16672

Current Description

An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed. Eventually Asterisk can run out of memory and crash.

Basic Data

PublishedNovember 09, 2017
Last ModifiedOctober 03, 2019
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-772
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityMEDIUM
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score4.3
SeverityMEDIUM
Exploitability Score8.6
Impact Score2.9
Obtain All Privilegefalse
Obtain User Privilegefalse
Obtain Other Privilegefalse

Base Metric V3

CVSS 3 - Version3.0
CVSS 3 - Vector StringCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3 - Attack VectorNETWORK
CVSS 3 - Attack ComplexityHIGH
CVSS 3 - Privileges RequiredNONE
CVSS 3 - User InteractionNONE
CVSS 3 - ScopeUNCHANGED
CVSS 3 - Confidentiality ImpactNONE
CVSS 3 - Integrity ImpactNONE
CVSS 3 - Availability ImpactHIGH
CVSS 3 - Base Score5.9
CVSS 3 - Base SeverityMEDIUM
Exploitability Score2.2
Base SeverityMEDIUM

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationDigiumAsterisk********13.0.013.18.1
    2.3ApplicationDigiumAsterisk********14.0.014.7.1
    2.3ApplicationDigiumAsterisk********15.0.015.1.1
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationDigiumCertified Asterisk13.13.0*******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert1******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert1_rc1******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert1_rc2******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert1_rc3******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert1_rc4******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert2******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert3******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert4******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert5******
    2.3ApplicationDigiumCertified Asterisk13.13.0cert6******

Vulnerable Software List

VendorProductVersions
Digium Certified Asterisk 13.13.0
Digium Asterisk *

References

NameSourceURLTags
http://downloads.digium.com/pub/security/AST-2017-011.htmlhttp://downloads.digium.com/pub/security/AST-2017-011.htmlCONFIRMVendor Advisory
101765http://www.securityfocus.com/bid/101765BIDThird Party Advisory VDB Entry
https://issues.asterisk.org/jira/browse/ASTERISK-27345https://issues.asterisk.org/jira/browse/ASTERISK-27345CONFIRMVendor Advisory
GLSA-201811-11https://security.gentoo.org/glsa/201811-11GENTOO
DSA-4076https://www.debian.org/security/2017/dsa-4076DEBIAN