Description
dump 0.4 b10 through b29 allows local users to cause a denial of service (execution prevention) by using flock() to lock the /etc/dumpdates file.
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 | dump | 0.4b31-1 | — |
| Debian 13 | dump | 0.4b31-1 | — |
| Debian 12 | dump | 0.4b31-1 | — |
References
- http://support.avaya.com/elmodocs2/security/ASA-2006-156.htm
- 5264 vdb-entry
- RHSA-2005:583 vendor-advisory
- 20020717 asciiSECURE advisory (2002-07-17/1) mailing-list
- dump-flock-dumpdates-dos(9632) vdb-entry
- 21520 third-party-advisory