Buffer overflow in LibRaw



Published: 2023-02-25
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-32142
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
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LibRaw
Universal components / Libraries / Libraries used by multiple products

Vendor LibRaw LLC

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU72570

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-32142

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the LibRaw_buffer_datastream::gets() function in /src/libraw/src/libraw_datastream.cpp. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LibRaw: 0.19.0 - 0.20.0

External links

http://github.com/LibRaw/LibRaw/commit/bc3aaf4223fdb70d52d470dae65c5a7923ea2a49
http://github.com/LibRaw/LibRaw/issues/400
http://github.com/gtt1995


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.



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