CVE-2019-16239
CRITICAL severity · CVSS 9.8 · Buffer overflow
9.8CVSS CRITICAL
Summary
process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)3%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.infradead.org/pipermail/openconnect-devel/2019-September/005412.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00060.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00061.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00003.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX56KYWC7X4ETV4P6HGJC7GZUEBITBBS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HDMZGNBLZZKAGBI2PNXYWWKLD2LXKFH6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WI7ZENFAWCHF2RU4NHPL2CU4WGZ4BNDJ/
- https://seclists.org/bugtraq/2020/Jan/31Advisory