CVE-2023-45677

Name	CVE-2023-45677
Description	stb_vorbis is a single file MIT licensed library for processing ogg vorbis files. A crafted file may trigger out of bounds write in `f->vendor[len] = (char)'\0';`. The root cause is that if `len` read in `start_decoder` is a negative number and `setup_malloc` successfully allocates memory in that case, but memory write is done with a negative index `len`. Similarly if len is INT_MAX the integer overflow len+1 happens in `f->vendor = (char)setup_malloc(f, sizeof(char) (len+1));` and `f->comment_list[i] = (char)setup_malloc(f, sizeof(char) (len+1));`. This issue may lead to code execution.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1054911

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libstb (PTS)	buster	0.0~git20180212.15.e6afb9c-1	vulnerable
	buster (security)	0.0~git20180212.15.e6afb9c-1+deb10u1	vulnerable
	bullseye	0.0~git20200713.b42009b+ds-1	vulnerable
	bookworm	0.0~git20220908.8b5f1f3+ds-1	vulnerable
	trixie, sid	0.0~git20230129.5736b15+ds-1.2	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libstb	source	(unstable)	(unfixed)			1054911

Notes

[bookworm] - libstb <no-dsa> (Minor issue)
[bullseye] - libstb <no-dsa> (Minor issue)
[buster] - libstb <no-dsa> (Minor issue)
https://securitylab.github.com/advisories/GHSL-2023-145_GHSL-2023-151_stb_image_h/ (issue 10)
https://github.com/nothings/stb/pull/1555