Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Hylafax\+ Project | Hylafax\+ | <= 7.0.2 |
| Ifax | Hylafax Enterprise | - |
| Fedoraproject | Fedora | 31 |
| Opensuse | Backports Sle | 15.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.htmlMailing ListThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1173521ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202007-06Third Party Advisory
- https://sourceforge.net/p/hylafax/HylaFAX+/2534/PatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.htmlMailing ListThird Party Advisory
- https://bugzilla.suse.com/show_bug.cgi?id=1173521ExploitIssue TrackingThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-15396?
CVE-2020-15396 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...
How severe is CVE-2020-15396?
CVE-2020-15396 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15396?
Check the references section above for vendor advisories and patch information. Affected products include: Hylafax\+ Project Hylafax\+, Ifax Hylafax Enterprise, Fedoraproject Fedora, Opensuse Backports Sle, Opensuse Leap.