High severity · published Jun 30, 2020
CVE-2020-15397
HylaFAX+ through 7.0.2 and HylaFAX Enterprise have scripts that execute binaries from directories writable by unprivileged users (e.g., locations under /var/spool/hylafax that are…
7.8
CVSS
0.5%
EPSS
No
On KEV
Description
HylaFAX+ through 7.0.2 and HylaFAX Enterprise have scripts that execute binaries from directories writable by unprivileged users (e.g., locations under /var/spool/hylafax that are writable by the uucp account). This allows these users to execute code in the context of the user calling these binaries (often root).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HE
Hylafax Enterprise · Ifax
All versions, or not specified · source: NVD
HY
Hylafax+ · Hylafax+ Project
through 7.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15397
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15397
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00039.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00040.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00046.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00054.html
Exploit
https://bugzilla.suse.com/show_bug.cgi?id=1173519
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J52QFVREJWJ35YSEEDDRMZQ2LM2H2WE6/
More from Hylafax+
7.8
CVE-2020-15396
In HylaFAX+ through 7.0.2 and HylaFAX Enterprise, the faxsetup utility calls chown on files in user-owned directories