Vulnerability Description
process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Infradead | Openconnect | < 8.05 |
| Fedoraproject | Fedora | 29 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 18.04 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://lists.infradead.org/pipermail/openconnect-devel/2019-September/005412.htmBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00060.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00061.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00003.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://seclists.org/bugtraq/2020/Jan/31Mailing ListThird Party Advisory
- https://t2.fi/schedule/2019/Not Applicable
- https://usn.ubuntu.com/4565-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4607Third Party Advisory
- http://lists.infradead.org/pipermail/openconnect-devel/2019-September/005412.htmBroken Link
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00060.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00061.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00003.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2019-16239?
CVE-2019-16239 is a vulnerability with a CVSS score of 9.8 (CRITICAL). process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.
How severe is CVE-2019-16239?
CVE-2019-16239 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-16239?
Check the references section above for vendor advisories and patch information. Affected products include: Infradead Openconnect, Fedoraproject Fedora, Debian Debian Linux, Canonical Ubuntu Linux, Opensuse Leap.