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CVE-2020-11100
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 6.5/10
- Exploit Score
- 8/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- Single
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- High
- Base Score
- 8.8/10
- Exploit Score
- 2.8/10
- Access Vector
- Network
- Access Complexity
- Low
- Privileges Required
- Low
- Impact Score
- 5.9/10
- Confidentiality Impact
- High
- Availability Impact
- High
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:haproxy:haproxy:*:*:*:*:*:*:*:* |
Yes
|
1.8.0 | 2.1.4 | |
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*: |
Yes
|
- | - | |
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- 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
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
- https://www.debian.org/security/2020/dsa-4649
- https://usn.ubuntu.com/4321-1/
- http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html
- https://security.gentoo.org/glsa/202012-22
- https://www.mail-archive.com/haproxy%40formilux.org/msg36876.html
- https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=5dfc5d5cd0d2128d77253ead3acf03a421
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org