Vulnerability CVE-2020-11100: Information
Description
In hpack_dht_insert in hpack-tbl.c in the HPACK decoder in HAProxy 1.8 through 2.x before 2.1.4, a remote attacker can write arbitrary bytes around a certain location on the heap via a crafted HTTP/2 request, possibly causing remote code execution.
Severity: HIGH (8.8) Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Fixed packages
Package name | Branch | Fixed in version | Version from repository | Errata ID | Task # | State |
|---|---|---|---|---|---|---|
| haproxy | sisyphus | 2.2.8-alt1 | 2.8.9-alt1 | ALT-PU-2021-1066-1 | 264883 | Fixed |
| haproxy | p10 | 2.2.8-alt1 | 2.6.17-alt1 | ALT-PU-2021-1066-1 | 264883 | Fixed |
| haproxy | c10f1 | 2.2.8-alt1 | 2.6.15-alt1 | ALT-PU-2021-1066-1 | 264883 | Fixed |
| haproxy | c9f2 | 2.0.20-alt1 | 2.8.2-alt1 | ALT-PU-2021-2130-1 | 276674 | Fixed |
References to Advisories, Solutions, and Tools
Hyperlink | Resource |
|---|---|
| https://lists.debian.org/debian-security-announce/2020/msg00052.html |
|
| http://www.haproxy.org |
|
| https://www.haproxy.org/download/2.1/src/CHANGELOG |
|
| https://bugzilla.redhat.com/show_bug.cgi?id=1819111 |
|
| https://bugzilla.suse.com/show_bug.cgi?id=1168023 |
|
| openSUSE-SU-2020:0444 |
|
| DSA-4649 |
|
| USN-4321-1 |
|
| http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html |
|
| GLSA-202012-22 |
|
| https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html | |
| https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88 | |
| FEDORA-2020-16cd111544 | |
| FEDORA-2020-13fd8b1721 |