CVE-2019-16239
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Infradead Openconnect
PublishedSep 17, 2019
First seenSep 17, 2019
How to fix
Update
- infradead openconnect8.05 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WI7ZENFAWCHF2RU4NHPL2CU4WGZ4BNDJ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HDMZGNBLZZKAGBI2PNXYWWKLD2LXKFH6/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FX56KYWC7X4ETV4P6HGJC7GZUEBITBBS/
- debian.org/security/2020/dsa-4607
- usn.ubuntu.com/4565-1/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| infradead openconnect | v < 8.05 | 8.05 |
| fedoraproject fedora | 29, 30, 31 | — |
| debian debian_linux | 8.0, 9.0, 10.0 | — |
| canonical ubuntu_linux | 18.04 | — |
| opensuse leap | 15.0, 15.1 | — |
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