Description
Request Tracker (RT) 4.x before 4.0.25, 4.2.x before 4.2.14, and 4.4.x before 4.4.2 does not use a constant-time comparison algorithm for secrets, which makes it easier for remote attackers to obtain sensitive user password information via a timing side-channel attack.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | request-tracker4 | 4.4.1-4 | — |
| Debian 9 | request-tracker4 | 4.4.1-3+deb9u1 | DSA-3882-1 |
| Debian 8 | request-tracker4 | 4.2.8-3+deb8u2 | DSA-3882-1 |
| Debian 8 | rt-authen-externalauth | 0.25-1+deb8u1 | DSA-3883-1 |
| Debian 7 | request-tracker4 | 4.0.7-5+deb7u5 | DLA-987-1 |
| Debian 7 | rt-authen-externalauth | 0.10-4+deb7u1 | DLA-988-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | request-tracker4 | No fix yet | — |
| Ubuntu 16.04 LTS | rt-authen-externalauth | 0.25-1+deb8u1build0.16.04.1 | — |
Advisories 4
- DLA-988-1 rt-authen-externalauth - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-987-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3883-1 rt-authen-externalauth - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3882-1 request-tracker4 - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-3883 vendor-advisory
- https://forum.bestpractical.com/t/security-vulnerabilities-in-rt-2017-06-15/32016
- DSA-3882 vendor-advisory