Ubuntu update for curl
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2024-8096 |
| CWE-ID | CWE-295 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Ubuntu Operating systems & Components / Operating system libcurl4 (Ubuntu package) Operating systems & Components / Operating system package or component libcurl3-nss (Ubuntu package) Operating systems & Components / Operating system package or component libcurl3-gnutls (Ubuntu package) Operating systems & Components / Operating system package or component libcurl4t64 (Ubuntu package) Operating systems & Components / Operating system package or component libcurl3t64-gnutls (Ubuntu package) Operating systems & Components / Operating system package or component curl (Ubuntu package) Operating systems & Components / Operating system package or component |
| Vendor | Canonical Ltd. |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Improper certificate validation
EUVDB-ID: #VU97150
Risk: Low
CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2024-8096
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to curl might fail to detect some OCSP problems when configured to use the Certificate Status Request TLS extension. A remote attacker can bypass OCSP stapling protection and perform a Man-in-the-Middle (MitM) attack.
Successful exploitation of the vulnerability requires that curl is build to use GnuTLS library.
MitigationUpdate the affected package curl to the latest version.
Vulnerable software versionsUbuntu: 20.04 - 24.04
libcurl4 (Ubuntu package): before 7.68.0-1ubuntu2.24
libcurl3-nss (Ubuntu package): before 7.68.0-1ubuntu2.24
libcurl3-gnutls (Ubuntu package): before 7.68.0-1ubuntu2.24
libcurl4t64 (Ubuntu package): before 8.5.0-2ubuntu10.4
libcurl3t64-gnutls (Ubuntu package): before 8.5.0-2ubuntu10.4
curl (Ubuntu package): before 7.68.0-1ubuntu2.24
CPE2.3- cpe:2.3:o:canonical:ubuntu:20.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu:24.04:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:libcurl4_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:libcurl3-nss_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:libcurl3-gnutls_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:libcurl4t64_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:libcurl3t64-gnutls_ubuntu_package:*:*:*:*:*:ubuntu:*:*
- cpe:2.3:o:canonical:curl_ubuntu_package:*:*:*:*:*:ubuntu:*:*
http://ubuntu.com/security/notices/USN-7012-1
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.
