Description
In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406 ↗
- https://github.com/libgit2/libgit2/releases/tag/v0.27.4 ↗
- https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html ↗
- https://bugzilla.suse.com/show_bug.cgi?id=1104641 ↗
- https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html ↗
- https://github.com/libgit2/libgit2/releases/tag/v0.26.6 ↗
- https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649 ↗
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html ↗