Medium severity · published Mar 5, 2019
CVE-2018-19637
Static temporary filename allows overwriting of files
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
Supportutils, before version 3.1-5.7.1, wrote data to static file /tmp/supp_log, allowing local attackers to overwrite files on systems without symlink protection
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SU
supportutils · SUSE
before 3.1-5.7.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19637
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19637
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00018.html
bugzilla.suse.com
https://bugzilla.suse.com/show_bug.cgi?id=1117776
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CVE-2018-19636
Local root exploit via inclusion of attacker controlled shell script
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CVE-2018-19639
Code execution if run with command line switch -v
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CVE-2018-19640
Code execution if run with command line switch -v
4.7
CVE-2018-19638
User can overwrite arbitrary log files in support tar