CVE-2023-45682 Wild address read in vorbis_decode_packet_rest in stb_vorbis
A crafted Ogg Vorbis file can trigger an out-of-bounds read in stb_vorbis, potentially leaking internal memory allocation information to an attacker.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-45682?
CVE-2023-45682 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 out of bounds read in `DECODE` macro when `var` is negative. As it can be seen in the definition of `DECODE_RAW` a negative `var` is a valid value. This issue may be used to leak internal memory allocation information.
Weakness: CWE-125
Which versions are affected by CVE-2023-45682?
It affects 1 product.
Products include Nothings Stb Vorbis.c.
How do I fix CVE-2023-45682?
Apply the vendor's patch.
Is CVE-2023-45682 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45682 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-2023-45682, UBUNTU-CVE-2023-45682.