CVE-2018-6198
w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which allows a local attacker to craft a symlink attack to overwrite arbitrary files.
| Software | From | Fixed in |
|---|---|---|
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 14.04 | 14.04.x |
| canonical / ubuntu_linux | 12.04 | 12.04.x |
| canonical / ubuntu_linux | 17.10 | 17.10.x |
| tats / w3m | - | 0.5.3.x |
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
- http://www.securityfocus.com/bid/102855
- https://bugs.debian.org/888097
- https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753
- https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753
- https://usn.ubuntu.com/3555-1/
- https://usn.ubuntu.com/3555-2/
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