CVE-2016-9964

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.09% Top 25%
Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/bottlepy/bottle/issues/913 issue tracking third party advisory patch
https://github.com/bottlepy/bottle/commit/6d7e13da0f998820800ecb3fe9ccee4189aefb54 issue tracking third party advisory patch
http://www.debian.org/security/2016/dsa-3743 third party advisory vendor advisory
http://www.securityfocus.com/bid/94961 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-9964?
CVE-2016-9964 has been scored as a medium severity vulnerability.
How to fix CVE-2016-9964?
To fix CVE-2016-9964, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-9964 being actively exploited in the wild?
It is possible that CVE-2016-9964 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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