CVE-2023-45680 Null pointer dereference in vorbis_deinit in stb_vorbis
A crafted Ogg Vorbis file can cause a null pointer dereference in stb_vorbis, leading to a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-45680?
CVE-2023-45680 is a medium-severity vulnerability in nothings stb, published on 20 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger memory allocation failure in `start_decoder`. In that case the function returns early, the `f->comment_list` is set to `NULL`, but `f->comment_list_length` is not reset. Later in `vorbis_deinit` it tries to dereference the `NULL` pointer. This issue may lead to denial of service.
Weakness: CWE-476
Which versions are affected by CVE-2023-45680?
It affects 1 product.
Products include Nothings Stb Vorbis.c.
How do I fix CVE-2023-45680?
Upgrade to a fixed version.
Is CVE-2023-45680 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45680 exists.
Other vulnerabilities in nothings stb
- CVE-2023-45676 Multi-byte write heap buffer overflow in start_decoder in stb_vorbis
- CVE-2023-45677 Heap buffer out of bounds write in start_decoder in stb_vorbis
- CVE-2023-45679 Attempt to free an uninitialized memory pointer in vorbis_deinit in stb_vorbis
- CVE-2023-45681 Out of bounds heap buffer write in stb_vorbis
- CVE-2023-45675 0 byte write heap buffer overflow in start_decoder in stb_vorbis
Sources
Also known as DEBIAN-CVE-2023-45680, UBUNTU-CVE-2023-45680.