CVE-2017-11343

CVSS V2 Medium 5 CVSS V3 High 7.5

Description

Due to an incomplete fix for CVE-2012-6125, all versions of CHICKEN Scheme up to and including 4.12.0 are vulnerable to an algorithmic complexity attack. An attacker can provide crafted input which, when inserted into the symbol table, will result in O(n) lookup time.

Overview

CVE ID
CVE-2017-11343

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2017-07-17T13:18:20

Last Modified Date
2017-07-26T20:04:49

Weakness Enumerations

CWE	URL
CWE-407	http://cwe.mitre.org/data/definitions/407.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:call-cc:chicken::::::::	1	OR		4.12.0

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
NONE

Integrity Impact
PARTIAL

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
NONE

Availability Impact
NONE

Base Score
7.5

Base Severity
HIGH

Exploitability Score
3.9

Impact Score
3.6

References

Reference URL	Reference Tags
http://lists.gnu.org/archive/html/chicken-announce/2017-07/msg00000.html	Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-11343
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11343

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 09:18:03				Added to TrackCVE
2022-12-02 18:43:47	2017-07-17T13:18Z	2017-07-17T13:18:20	CVE Published Date	updated
2022-12-02 18:43:47		2017-07-26T20:04:49	CVE Modified Date	updated
2022-12-02 18:43:47		Analyzed	Vulnerability Status	updated