Vulnerability in gdraheim zziplib

[ Description ]Official description

Zziplib through 0.13.80 contains an out-of-bounds read vulnerability in zzip/mmapped.c that allows attackers to over-read heap memory via a crafted ZIP central directory. Attackers can craft an end-of-central-directory record placing the first entry near the buffer end, causing zzip_disk_entry_strdup_name to read past the buffer and crash the application.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/gdraheim/zziplib
• github.com/gdraheim/zziplib/blob/f58313c1f65f46bf73f3526d1afd4d6bb46cc4ae/zzip/mmapped.c
• github.com/gdraheim/zziplib/blob/f58313c1f65f46bf73f3526d1afd4d6bb46cc4ae/zzip/mmapped.c
• hackmd.io/@haind-pwn/zziplib-zip-central-directory-oob-read
• www.vulncheck.com/advisories/zziplib-through-0.13.80-out-of-bounds-read-via-zzip-disk-f…