A weakness has been identified in LibRaw up to 0.22.0. This impacts the function HuffTable::initval of the file src/decompressors/losslessjpeg.cpp of the component JPEG DHT Parser. This manipulation of the argument bits[] causes out-of-bounds write.
It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.22.1 will fix this issue.
Patch name: a6734e867b19d75367c05f872ac26322464e3995. It is advisable to upgrade the affected component.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 9
https://github.com/LibRaw/LibRaw/
cna@vuldb.com
https://github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995
cna@vuldb.com
https://github.com/LibRaw/LibRaw/issues/794
cna@vuldb.com
https://github.com/LibRaw/LibRaw/issues/794#issuecomment-4065342499
cna@vuldb.com
https://github.com/biniamf/pocs/tree/main/libraw_lljpeg
cna@vuldb.com
https://vuldb.com/submit/780538
cna@vuldb.com
https://vuldb.com/vuln/354650
cna@vuldb.com
https://vuldb.com/vuln/354650/cti
cna@vuldb.com
https://github.com/LibRaw/LibRaw/releases/tag/0.22.1
cna@vuldb.com