Vulnerability in True Audio libtta

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

libtta through 2.3 contains a stack out-of-bounds read and write vulnerability in tta_decoder_process_stream() and tta_decoder_process_frame() because header checks never reject a zero channel count. Attackers can supply a crafted .tta file declaring zero channels so decorrelation accesses cache[-1] with stream-derived values, corrupting stack memory in decoding applications.

[ 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/gchudov/libtta
• github.com/gchudov/libtta/blob/af8dc48ce859e98842ab1a3eec98416d22a5199e/libtta.c
• github.com/gchudov/libtta/blob/af8dc48ce859e98842ab1a3eec98416d22a5199e/libtta.c
• hackmd.io/@haindpwn/libtta-seek-table-count-overflow-oob-write
• sourceforge.net/projects/tta
• www.vulncheck.com/advisories/libtta-through-2.3-stack-out-of-bounds-write-via-zero-chan…