Buffer overflow in call-cc Chicken Scheme

1) Buffer overflow

EUVDB-ID: #VU40661

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-9651

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Buffer overflow in CHICKEN 4.9.0.x before 4.9.0.2, 4.9.x before 4.9.1, and before 5.0 allows attackers to have unspecified impact via a positive START argument to the "substring-index[-ci] procedures."

Mitigation

Install update from vendor's website.

Vulnerable software versions

Chicken Scheme: 4.9.0 - 4.10.0

External links

http://lists.nongnu.org/archive/html/chicken-hackers/2014-12/msg00000.html
http://lists.nongnu.org/archive/html/chicken-users/2015-01/msg00048.html
http://www.securityfocus.com/bid/72011
http://security.gentoo.org/glsa/201612-54

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.