CVE-2018-18898
Publication date 21 March 2019
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
libemail-address-list-perl | 20.04 LTS focal |
Fixed 0.06-1
|
18.04 LTS bionic |
Fixed 0.05-1+deb9u1build0.18.04.1
|
|
16.04 LTS xenial |
Fixed 0.05-1+deb9u1build0.16.04.1
|
|
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-4517-1
- Email-Address-List vulnerability
- 17 September 2020
Other references
- https://github.com/bestpractical/email-address-list/commit/a22e6b233443fe3ad1a408e50ecbd7237674817d
- https://github.com/bestpractical/email-address-list/commit/6dd5021a6e5df2e8c86a163dc2e180a76a38e63b
- https://github.com/bestpractical/email-address-list/commit/31bd4dc2dfb26fd6a17e4436df3d3c8904856f30
- https://www.cve.org/CVERecord?id=CVE-2018-18898