Medium severity · published Jun 10, 2019
CVE-2019-12387
In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF
6.1
CVSS
2.5%
EPSS
No
On KEV
Description
In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
29 · source: NVD
SO
Solaris · Oracle
11 · source: NVD
TW
Twisted · Twisted
before 19.2.1 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 19.10 · source: NVD
ZS
Zfs Storage Appliance Kit · Oracle
8.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12387
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12387
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html
Broken Link
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html
Patch
https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2
Exploit
https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/
Exploit
https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html
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