CVE-2003-0282
Description
Directory traversal vulnerability in UnZip 5.50 allows attackers to overwrite arbitrary files via invalid characters between two . (dot) characters, which are filtered and result in a ".." sequence.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
Info-ZIP UnZip 5.50 - Encoded Character Hostile Destination Path
source: https://www.securityfocus.com/bid/7550/info
Info-ZIP UnZip contains a vulnerability during the handling of pathnames for archived files. Specifically, when certain encoded characters are inserted into '../' directory traversal sequences, the creator of the archive can cause the file to be extracted to arbitrary locations on the filesystem - including paths containing system binaries and other sensitive or confidential information.
https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/22584.zip
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 5.50-3 |
| sid | Fixed | 5.50-3 |
| forky | Fixed | 5.50-3 |
| bullseye | Fixed | 5.50-3 |
| bookworm | Fixed | 5.50-3 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.