Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2020-11100 First vendor Publication 2020-04-02
Vendor Cve Last vendor Modification 2020-12-24

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 8.8
Base Score 8.8 Environmental Score 8.8
impact SubScore 5.9 Temporal Score 8.8
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Cvss Base Score 6.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11100

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 86
Application 2
Os 1

Sources (Detail)

Source Url
CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1819111
https://bugzilla.suse.com/show_bug.cgi?id=1168023
https://git.haproxy.org/?p=haproxy.git;a=commit;h=5dfc5d5cd0d2128d77253ead3ac...
https://lists.debian.org/debian-security-announce/2020/msg00052.html
https://www.haproxy.org/download/2.1/src/CHANGELOG
https://www.mail-archive.com/haproxy@formilux.org/msg36876.html
DEBIAN https://www.debian.org/security/2020/dsa-4649
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
GENTOO https://security.gentoo.org/glsa/202012-22
MISC http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds...
http://www.haproxy.org
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00002.html
UBUNTU https://usn.ubuntu.com/4321-1/

Alert History

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Date Informations
2021-05-04 13:45:01
  • Multiple Updates
2021-04-22 02:56:57
  • Multiple Updates
2020-12-24 21:23:15
  • Multiple Updates
2020-09-03 01:29:12
  • Multiple Updates
2020-05-23 02:35:15
  • First insertion