Medium severity · published Dec 7, 2017
CVE-2017-15121
A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a page boundary
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a page boundary.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15121
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15121
Third Party Advisory
http://www.securityfocus.com/bid/102128
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:0676
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:1062
Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:1854
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1520893
support.f5.com
https://support.f5.com/csp/article/K42142782?utm_source=f5support&%3Butm_medium=RSS
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