A vulnerability was identified in strukturag libheif up to 1.21.2. This impacts the function Track::load of the file libheif/sequences/track.cc of the component stsz/stts. The manipulation leads to out-of-bounds read.
The attack needs to be performed locally. The exploit is publicly available and might be used. Applying a patch is the recommended action to fix this issue.
The patch available is inofficial and not approved yet.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/Niebelungen-D/pocs/tree/main/heif_dec_sequence_chunk_idx_oob
cna@vuldb.com
https://github.com/strukturag/libheif/
cna@vuldb.com
https://github.com/strukturag/libheif/issues/1715
cna@vuldb.com
https://github.com/strukturag/libheif/pull/1721
cna@vuldb.com
https://vuldb.com/?ctiid.350382
cna@vuldb.com
https://vuldb.com/?id.350382
cna@vuldb.com
https://vuldb.com/?submit.766431
cna@vuldb.com