CVE-2016-9964

6.5 MEDIUM

Published: December 16, 2016 Modified: May 06, 2026

Description

redirect() in bottle.py in bottle 0.12.10 doesn't filter a "\r\n" sequence, which leads to a CRLF attack, as demonstrated by a redirect("233\r\nSet-Cookie: name=salt") call.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.debian.org/security/2016/dsa-3743

Source: cve@mitre.org

Third Party Advisory

http://www.securityfocus.com/bid/94961

Source: cve@mitre.org

Third Party Advisory VDB Entry

https://github.com/bottlepy/bottle/commit/6d7e13da0f998820800ecb3fe9ccee4189aefb54

Source: cve@mitre.org

Issue Tracking Patch Third Party Advisory

https://github.com/bottlepy/bottle/issues/913

Source: cve@mitre.org

Issue Tracking Patch Third Party Advisory

http://www.debian.org/security/2016/dsa-3743

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

http://www.securityfocus.com/bid/94961

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory VDB Entry

https://github.com/bottlepy/bottle/commit/6d7e13da0f998820800ecb3fe9ccee4189aefb54

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Third Party Advisory

https://github.com/bottlepy/bottle/issues/913

Source: af854a3a-2127-422b-91ae-364da2661108

Issue Tracking Patch Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score

6.5 / 10.0

EPSS (Exploit Probability)

1.2%

79th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-93

Affected Vendors

debian bottlepy

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