Description
A CSRF issue was discovered in DAViCal through 1.1.8. If an authenticated user visits an attacker-controlled webpage, the attacker can send arbitrary requests in the name of the user to the application. If the attacked user is an administrator, the attacker could for example add a new admin user.
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 14 | davical | 1.1.9.2-1 | — |
| Debian 13 | davical | 1.1.9.2-1 | — |
| Debian 12 | davical | 1.1.9.2-1 | — |
| Debian 10 | davical | 1.1.8-1+deb10u1 | DSA-4582-1 |
| Debian 9 | davical | 1.1.5-1+deb9u1 | DSA-4582-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | davical | 1.1.3.1-1+deb8u1 | DLA-2034-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | davical | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | davical | 1.1.7-1ubuntu0.1~esm1 | USN-9050-1 |
Advisories 3
- USN-9050-1 davical vulnerabilities Ubuntu Security Notices (USN) · Nov 12, 2026
- DSA-4582-1 davical - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2034-1 davical - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://www.davical.org/
- https://gitlab.com/davical-project/davical/blob/master/ChangeLog
- https://hackdefense.com/publications/cve-2019-18346-davical-caldav-server-vulnerability/
- 20191210 CVE-2019-18347 Persistent Cross-Site Scripting (XSS) vulnerability in DAViCal CalDAV Server mailing-list
- 20191210 CVE-2019-18345 Reflected Cross-Site Scripting (XSS) vulnerability in DAViCal CalDAV Server mailing-list
- 20191210 CVE-2019-18346 Cross-Site Request Forgery (CSRF) vulnerability in DAViCal CalDAV Server mailing-list
- http://packetstormsecurity.com/files/155629/DAViCal-CalDAV-Server-1.1.8-Cross-Site-Request-Forgery.html
- [debian-lts-announce] 20191214 [SECURITY] [DLA 2034-1] davical security update mailing-list
- DSA-4582 vendor-advisory
- 20191216 [SECURITY] [DSA 4582-1] davical security update mailing-list