Out-of-bounds write in LibRaw

1) Out-of-bounds write

EUVDB-ID: #VU34191

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15365

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

LibRaw before 0.20-Beta3 has an out-of-bounds write in parse_exif() in metadataexif_gps.cpp via an unrecognized AtomName and a zero value of tiff_nifds.

Mitigation

Install update from vendor's website.

Vulnerable software versions

LibRaw: 0.20

CPE2.3

• cpe:2.3:a:libraw:libraw:0.20:*:*:*:*:*:*:*

External links

https://github.com/LibRaw/LibRaw/compare/0.20-Beta2...0.20-Beta3
https://github.com/LibRaw/LibRaw/issues/301

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.