Critical severity · published Apr 17, 2018
CVE-2018-6797
An issue was discovered in Perl 5.18 through 5.26
9.8
CVSS
6.5%
EPSS
No
On KEV
Description
An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)6.5% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0; 7.3; 7.4; 7.5; 7.6 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
PE
Perl · Perl
5.18 through 5.26 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 17.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-6797
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-6797
Third Party Advisory
http://www.securitytracker.com/id/1040681
Third Party Advisory
http://www.securitytracker.com/id/1042004
Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1192
Patch
https://rt.perl.org/Public/Bug/Display.html?id=132227
security.gentoo.org
https://security.gentoo.org/glsa/201909-01
Third Party Advisory
https://usn.ubuntu.com/3625-1/
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