CVE-2022-42706

NameCVE-2022-42706
DescriptionAn issue was discovered in Sangoma Asterisk through 16.28, 17 and 18 through 18.14, 19 through 19.6, and certified through 18.9-cert1. GetConfig, via Asterisk Manager Interface, allows a connected application to access files outside of the asterisk configuration directory, aka Directory Traversal.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3335-1, DSA-5358-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)buster1:16.2.1~dfsg-1+deb10u2vulnerable
buster (security)1:16.28.0~dfsg-0+deb10u4fixed
bullseye1:16.28.0~dfsg-0+deb11u3fixed
bullseye (security)1:16.28.0~dfsg-0+deb11u4fixed
sid1:20.6.0~dfsg+~cs6.13.40431414-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksourcebuster1:16.28.0~dfsg-0+deb10u2DLA-3335-1
asterisksourcebullseye1:16.28.0~dfsg-0+deb11u2DSA-5358-1
asterisksource(unstable)1:20.0.1~dfsg+~cs6.12.40431414-1

Notes

https://issues.asterisk.org/jira/browse/ASTERISK-30176
https://downloads.asterisk.org/pub/security/AST-2022-009.html
https://git.asterisk.org/gitweb/?p=asterisk/asterisk.git;a=commit;h=81f10e847efdbe8ec264062ee234e1098c29b3f6

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