Fedora 40 update for curl



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-6197
CWE-ID CWE-415
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

curl
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Double free

EUVDB-ID: #VU94715

Risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-6197

CWE-ID: CWE-415 - Double Free

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 in ASN1 parser within the utf8asn1str() function. A remote attacker can pass specially crafted TLS certificate to the application, trigger double free error and execute arbitrary code on the target system.

The vulnerable code can only be reached when curl is built to use GnuTLS, wolfSSL, Schannel or Secure Transport.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 40

curl: before 8.6.0-9.fc40

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2024-a7976ba89f


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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