High severity · published Mar 17, 2019
CVE-2018-18898
The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address…
7.5
CVSS
2.4%
EPSS
No
On KEV
Description
The email-ingestion feature in Best Practical Request Tracker 4.1.13 through 4.4 allows denial of service by remote attackers via an algorithmic complexity attack on email address parsing.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% 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; 10.0 · source: NVD
FE
Fedora · Fedoraproject
28; 29 · source: NVD
RT
Request Tracker · Bestpractical
4.1.13 through 4.4.0 · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18898
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18898
Product
https://bestpractical.com/download-page
Mailing List
https://lists.debian.org/debian-lts-announce/2020/02/msg00009.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CPJVDT77ZPRU5Z2BEMZM7EBY6WZHUATZ/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YR46PPHBEM76DNN4DEQMAYIKLCO3TQU2/
Third Party Advisory
https://usn.ubuntu.com/4517-1/
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