Description
Open-source ARJ archiver 3.10.22 does not properly remove leading slashes from paths, which allows remote attackers to conduct absolute path traversal attacks and write to arbitrary files via multiple leading slashes in a path in an ARJ archive.
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 | arj | 3.10.22-13 | — |
| Debian 13 | arj | 3.10.22-13 | — |
| Debian 12 | arj | 3.10.22-13 | — |
| Debian 7 | arj | 3.10.22-10+deb7u1 | DSA-3213-1 |
| Debian 6.0 | arj | 3.10.22-9+deb6u1 | DLA-188-1 |
Advisories 2
- DSA-3213-1 arj - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-188-1 arj - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDVSA-2015:201 vendor-advisory
- FEDORA-2015-5546 vendor-advisory
- [oss-security] 20150105 Re: CVE Request: arj: symlink directory traversal and directory traversal via //multiple/leading/slash mailing-list
- GLSA-201612-15 vendor-advisory
- [oss-security] 20150103 CVE Request: arj: symlink directory traversal and directory traversal via //multiple/leading/slash mailing-list
- FEDORA-2015-5524 vendor-advisory
- DSA-3213 vendor-advisory
- FEDORA-2015-5603 vendor-advisory
- 71895 vdb-entry
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=774435