Vulnerability CVE-2014-3776
Published: 2014-05-20

Description:
Buffer overflow in the "read-u8vector!" procedure in the srfi-4 unit in CHICKEN stable 4.8.0.7 and development snapshots before 4.9.1 allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via a "#f" value in the NUM argument.

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Call-cc -> Chicken 

 References:
http://code.call-cc.org/cgi-bin/gitweb.cgi?p=chicken-core.git;a=commit;h=1d06ce7e21c7e903ca5dca11fda6fcf2cc52de5e
http://lists.gnu.org/archive/html/chicken-announce/2014-05/msg00001.html
http://lists.gnu.org/archive/html/chicken-hackers/2014-05/msg00032.html
http://seclists.org/oss-sec/2014/q2/328
http://seclists.org/oss-sec/2014/q2/334
http://www.securityfocus.com/bid/67468
https://bugs.call-cc.org/ticket/1124
https://security.gentoo.org/glsa/201612-54
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