CVE-2020-15396

NameCVE-2020-15396
DescriptionIn HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories. By winning a race, a local attacker could use this to escalate his privileges to root.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh
Debian Bugs964198

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
hylafax (PTS)stretch (security), stretch3:6.0.6-7+deb9u1vulnerable
buster3:6.0.6-8.1vulnerable
bullseye, sid3:6.0.7-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
hylafaxsource(unstable)(unfixed)964198

Notes

[buster] - hylafax <no-dsa> (Minor issue)
[stretch] - hylafax <no-dsa> (Minor issue)
https://sourceforge.net/p/hylafax/HylaFAX+/2534/

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