Fedora 26 update for chicken



| Updated: 2025-04-24
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-6949
CWE-ID CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

chicken
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU33341

Risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2017-6949

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

An issue was discovered in CHICKEN Scheme through 4.12.0. When using a nonstandard CHICKEN-specific extension to allocate an SRFI-4 vector in unmanaged memory, the vector size would be used in unsanitised form as an argument to malloc(). With an unexpected size, the impact may have been a segfault or buffer overflow.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 26

chicken: before 4.12.0-2.fc26

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2017-1f3ee3bea6


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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