CVE-2020-15396

HIGH 7.8CVE-2020-15396 · Published 30/06/2020 · updated 17/06/2026

In short

CVE-2020-15396 is a HIGH (CVSS 7.8) vulnerability affecting hylafax+ (hylafax+ project), backports sle (opensuse).
Chance of exploitation in the next 30 days (EPSS): 0.39%, higher than 32.8% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
hylafax+ hylafax+_project	`≤ 7.0.2`	No fix yet
backports sle opensuse	`= 15.0`	No fix yet

Description

In 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.

References

lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.html · Mailing List
lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.html · Mailing List
bugzilla.suse.com/show_bug.cgi · Exploit
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J52QFVREJWJ35YSEEDDRMZQ2LM2H2WE6
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y46FOVJUS5SO44A2VEKR7DXEHTI4WK5L
security.gentoo.org/glsa/202007-06 · Third Party Advisory
sourceforge.net/p/hylafax/HylaFAX+/2534 · Patch

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