Vulnerability Details : 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 parsing.
Vulnerability category: Denial of service
Products affected by CVE-2018-18898
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- Bestpractical » Request TrackerVersions from including (>=) 4.1.13 and up to, including, (<=) 4.4.0cpe:2.3:a:bestpractical:request_tracker:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-18898
1.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-18898
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-18898
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-18898
-
https://lists.debian.org/debian-lts-announce/2020/02/msg00009.html
[SECURITY] [DLA 2101-1] libemail-address-list-perl security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CPJVDT77ZPRU5Z2BEMZM7EBY6WZHUATZ/
[SECURITY] Fedora 29 Update: perl-Email-Address-List-0.06-1.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://bestpractical.com/download-page
Download Page — Best Practical SolutionsProduct;Release Notes
-
https://usn.ubuntu.com/4517-1/
USN-4517-1: Email-Address-List vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YR46PPHBEM76DNN4DEQMAYIKLCO3TQU2/
[SECURITY] Fedora 28 Update: perl-Email-Address-List-0.06-1.fc28 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
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