CVE-2017-17090

Current Description

An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind.

Basic Data

PublishedDecember 02, 2017
Last ModifiedOctober 03, 2019
Assignercve@mitre.org
Data TypeCVE
Data FormatMITRE
Data Version4.0
Problem TypeCWE-459
CVE Data Version4.0

Base Metric V2

CVSS 2 - Version2.0
CVSS 2 - Vector StringAV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS 2 - Access VectorNETWORK
CVSS 2 - Access ComplexityLOW
CVSS 2 - AuthenticationNONE
CVSS 2 - Confidentiality ImpactNONE
CVSS 2 - Availability ImpactPARTIAL
CVSS 2 - Base Score5.0
SeverityMEDIUM
Exploitability Score10.0
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:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3 - Attack VectorNETWORK
CVSS 3 - Attack ComplexityLOW
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 Score7.5
CVSS 3 - Base SeverityHIGH
Exploitability Score3.9
Base SeverityHIGH

Configurations

  • OR - Configuration 1
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationDigiumCertified Asterisk********13.13
    2.3ApplicationDigiumCertified Asterisk13.13cert1******
    2.3ApplicationDigiumCertified Asterisk13.13cert1_rc1******
    2.3ApplicationDigiumCertified Asterisk13.13cert1_rc2******
    2.3ApplicationDigiumCertified Asterisk13.13cert1_rc3******
    2.3ApplicationDigiumCertified Asterisk13.13cert1_rc4******
    2.3ApplicationDigiumCertified Asterisk13.13cert2******
    2.3ApplicationDigiumCertified Asterisk13.13cert3******
    2.3ApplicationDigiumCertified Asterisk13.13cert4******
    2.3ApplicationDigiumCertified Asterisk13.13cert5******
    2.3ApplicationDigiumCertified Asterisk13.13cert6******
    2.3ApplicationDigiumCertified Asterisk13.13cert7******
  • OR - Configuration 2
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationDigiumAsterisk********13.8.2
  • OR - Configuration 3
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationDigiumAsterisk********14.7.2
  • OR - Configuration 4
    Cpe VersionPartVendorProductVersionUpdateEditionLanguageSW EditionTarget SWTarget HWOtherVersion Start IncludingVersion End IncludingVersion Start ExcludingVersion End Excluding
    2.3ApplicationDigiumAsterisk********15.1.2

Vulnerable Software List

VendorProductVersions
Digium Certified Asterisk *, 13.13
Digium Asterisk *

References

NameSourceURLTags
http://downloads.digium.com/pub/security/AST-2017-013.htmlhttp://downloads.digium.com/pub/security/AST-2017-013.htmlCONFIRMVendor Advisory
102023http://www.securityfocus.com/bid/102023BIDThird Party Advisory VDB Entry
1039948http://www.securitytracker.com/id/1039948SECTRACK
https://issues.asterisk.org/jira/browse/ASTERISK-27452https://issues.asterisk.org/jira/browse/ASTERISK-27452CONFIRMIssue Tracking Vendor Advisory
[debian-lts-announce] 20171230 [SECURITY] [DLA 1225-1] asterisk security updatehttps://lists.debian.org/debian-lts-announce/2017/12/msg00028.htmlMLIST
DSA-4076https://www.debian.org/security/2017/dsa-4076DEBIAN
43992https://www.exploit-db.com/exploits/43992/EXPLOIT-DB