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Mend.io Vulnerability Database

CVE-2020-11100

Date: April 2, 2020

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.

Language: C

Severity Score

8.8

Related Resources (20)

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/264C7UL3X7L7QE74ZJ557IOUFS3J4QQC/

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-11100

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MNW5RZLIX7LOXRLV7WMHX22CI43XSXKW/

Url: https://www.mail-archive.com/haproxy@formilux.org/msg36876.html

Url: http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-11100

Url: https://security.alpinelinux.org/vuln/CVE-2020-11100

Url: https://security.gentoo.org/glsa/202012-22

Url: https://security-tracker.debian.org/tracker/CVE-2020-11100

Url: https://git.haproxy.org/?p=haproxy.git;a=commit;h=5dfc5d5cd0d2128d77253ead3acf03a421ab5b88

Url: https://www.debian.org/security/2020/dsa-4649

Url: https://access.redhat.com/security/cve/CVE-2020-11100

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1819111

Url: https://usn.ubuntu.com/4321-1/

Url: http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html

Url: https://bugzilla.suse.com/show_bug.cgi?id=1168023

Url: http://www.haproxy.org

Url: https://lists.debian.org/debian-security-announce/2020/msg00052.html

Url: https://www.haproxy.org/download/2.1/src/CHANGELOG

Url: https://www.mend.io/vulnerability-database/CVE-2020-11100

Severity Score

8.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	6.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	SINGLE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2020-11100

Date: April 2, 2020

Language: C

Severity Score

Related Resources (20)

Severity Score

Weakness Type (CWE)

CVSS v3.1

CVSS v2

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