SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-9964

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.

MEDIUM 6.5EPSS 1.76%

Does this matter?

Lower severity and a low EPSS score (1.76%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
1.76% probability · 77th percentile
CISA KEV
Not listed
Weakness
CWE-93
Affected
bottlepy/bottle · debian/debian linux
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.