CVE-2016-3954

CVSS V2 Low 2.1 CVSS V3 Medium 5.5

Description

web2py before 2.14.2 allows remote attackers to obtain the session_cookie_key value via a direct request to examples/simple_examples/status. NOTE: this issue can be leveraged by remote attackers to execute arbitrary code using CVE-2016-3957.

Overview

CVE ID
CVE-2016-3954

Assigner
cve@mitre.org

Vulnerability Status
Modified

Published Version
2018-02-06T18:29:00

Last Modified Date
2019-06-21T22:15:10

Weakness Enumerations

CWE	URL
CWE-200	http://cwe.mitre.org/data/definitions/200.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:web2py:web2py::::::::	1	OR		2.14.2

CVSS Version 2

Version
2.0

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

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
2.1

Severity
LOW

Exploitability Score
3.9

Impact Score
2.9

CVSS Version 3

Version
3.0

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
5.5

Base Severity
MEDIUM

Exploitability Score
1.8

Impact Score
3.6

References

Reference URL	Reference Tags
https://devco.re/blog/2017/01/03/web2py-unserialize-code-execution-CVE-2016-3957/	Exploit Technical Description Third Party Advisory
https://usn.ubuntu.com/4030-1/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2016-3954
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3954

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:49:40				Added to TrackCVE
2022-12-03 01:48:23	2018-02-06T18:29Z	2018-02-06T18:29:00	CVE Published Date	updated
2022-12-03 01:48:23		2019-06-21T22:15:10	CVE Modified Date	updated
2022-12-03 01:48:23		Modified	Vulnerability Status	updated