CVE-2016-9964

medium
Published 2016-12-16 · Modified 2023-11-08
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CVSS v2
4.3
VIR risk
6.5

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.

Predictions

Exploit likelihood
75%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-9964

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/bottlepy/bottle/issues/913

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/bottlepy/bottle/commit/6d7e13da0f998820800ecb3fe9ccee4189aefb54

OS impact

OSVersionStatusFixed in
debian debian8.0affected
debian debianbookwormfixed0.12.11-1
debian debianbullseyefixed0.12.11-1
debian debianforkyfixed0.12.11-1
debian debiansidfixed0.12.11-1
debian debiantrixiefixed0.12.11-1

Package impact

EcosystemPackageVulnerableFixed
python PyPIbottle>=0.10.1,<0.12.110.12.11
python PyPIbottle<6d7e13da0f998820800ecb3fe9ccee4189aefb54||>=0.10.1,<0.12.116d7e13da0f998820800ecb3fe9ccee4189aefb54

Application impact

VendorProductVersionsFixed
bottlepybottle0.12.10

References

CWEs

CWE-93

Verify integrity in audit chain (admin only). AS-IS.