Denial of service in PCRE2



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-41409
CWE-ID CWE-190
Exploitation vector Network
Public exploit N/A
Vulnerable software
 PCRE2
Universal components / Libraries / Libraries used by multiple products

Vendor PCRE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU79112

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-41409

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

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

The vulnerability exists due to integer overflow in pcre2test. A remote attacker can pass specially crafted data to the application, trigger an integer overflow and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

PCRE2: 10.00 - 10.40

CPE2.3 External links

https://github.com/PCRE2Project/pcre2/issues/141
https://github.com/PCRE2Project/pcre2/commit/94e1c001761373b7d9450768aa15d04c25547a35


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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