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High severity · published Jan 31, 2018
CVE-2018-1000001
In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and…
7.8
CVSS
13.4%
EPSS
No
On KEV
Description
In glibc 2.26 and earlier there is confusion in the usage of getcwd() by realpath() which can be used to write before the destination buffer leading to a buffer underflow and potential code execution.
CVSS vector
CVSS:3.0/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)13.4% · higher than 96% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
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
7.0 · source: NVD
GL
Glibc · Gnu
through 2.26 · source: NVD
UL
Ubuntu Linux · Canonical
12.04; 14.04; 16.04; 17.10 · source: NVD
VH
Virtualization Host · Redhat
4.0 · source: NVD
Affected product
UL
Ubuntu Linux
Canonical
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000001
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-1000001
Mailing List
http://seclists.org/oss-sec/2018/q1/38
Third Party Advisory
http://www.securityfocus.com/bid/102525
Third Party Advisory
http://www.securitytracker.com/id/1040162
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:0805
security.netapp.com
https://security.netapp.com/advisory/ntap-20190404-0003/
Third Party Advisory
https://usn.ubuntu.com/3534-1/
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