Denial of service in cURL

1) Out-of-bounds read

EUVDB-ID: #VU95131

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-7264

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition within the ASN1 parser code in the GTime2str() function. A remote attacker can trigger an out-of-bounds read error and cause a denial of service condition on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

cURL: 7.32.0 - 8.9.0

CPE2.3

• cpe:2.3:a:curl_haxx_se:curl:7.32.0:*:*:*:*:*:*:
• cpe:2.3:a:curl_haxx_se:curl:7.33.0:*:*:*:*:*:*:
• cpe:2.3:a:curl_haxx_se:curl:7.34.0:*:*:*:*:*:*:

External links

http://curl.se/docs/CVE-2024-7264.json
http://curl.se/docs/CVE-2024-7264.html
http://hackerone.com/reports/2629968
http://www.openwall.com/lists/oss-security/2024/07/31/1

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.