CVE-2019-16935

Public Exploit

Description

The documentation XML-RPC server in Python through 2.7.16, 3.x through 3.6.9, and 3.7.x through 3.7.4 has XSS via the server_title field. This occurs in Lib/DocXMLRPCServer.py in Python 2.x, and in Lib/xmlrpc/server.py in Python 3.x. If set_server_title is called with untrusted input, arbitrary JavaScript can be delivered to clients that visit the http URL for this server.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.65%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory python.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://usn.ubuntu.com/4151-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4151-2/ third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00062.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00063.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00012.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00021.html vendor advisory mailing list third party advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K7HNVIFMETMFWWWUNTB72KYJYXCZOS5V/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZBTGPBUABGXZ7WH7677OEM3NSP6ZEA76/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M34WOYCDKTDE5KLUACE2YIEH7D37KHRX/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/COATURTCY7G67AYI6UDV5B2JZTBCKIDX/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JCPGLTTOBB3QEARDX4JOYURP6ELNNA2V/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4X3HW5JRZ7GCPSR7UHJOLD7AWLTQCDVR/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEARDOTXCYPYELKBD2KWZ27GSPXDI3GQ/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OYGESQSGIHDCIGOBVF7VXCMIE6YDWRYB/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html vendor advisory mailing list third party advisory
https://www.oracle.com/security-alerts/cpujul2020.html third party advisory
https://bugs.python.org/issue38243 vendor advisory exploit
https://github.com/python/cpython/pull/16373 third party advisory exploit
https://github.com/python/cpython/blob/e007860b8b3609ce0bc62b1780efaa06241520bd/Lib/DocXMLRPCServer.py#L213 third party advisory
https://github.com/python/cpython/blob/35c0809158be7feae4c4f877a08b93baea2d8291/Lib/xmlrpc/server.py#L897 third party advisory
https://security.netapp.com/advisory/ntap-20191017-0004/ third party advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2021/04/msg00015.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-16935?
CVE-2019-16935 has been scored as a medium severity vulnerability.
How to fix CVE-2019-16935?
To fix CVE-2019-16935, 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-2019-16935 being actively exploited in the wild?
It is possible that CVE-2019-16935 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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