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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:241016
[Rus]
Version
1
Class
patch
ALTXid
469226
Language
English
Severity
Critical
Title
RHSA-2020:1936 -- OpenShift Container Platform 4.4.3 haproxy security update
Description
haproxy: malformed HTTP/2 requests could lead to out-of-bounds writes.
haproxy: HTTP request smuggling issue with transfer-encoding header containing an obfuscated 'chunked' value.
haproxy: HTTP/2 implementation was vulnerable to intermediary encapsulation attacks.
Family
unix
Platform
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Product
OpenShift Container Platform
Reference
VENDOR: RHSA-2020:1936
VENDOR: RHSA-2020:1936
Id:
RHSA-2020:1936
Reference:
https://access.redhat.com/errata/RHSA-2020:1936
CVE: CVE-2019-18277
CVE: CVE-2019-18277
Id:
CVE-2019-18277
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18277
Comment
: A flaw was found in HAProxy before 2.0.6. In legacy mode, messages featuring a transfer-encoding header missing the "chunked" value were not being correctly rejected. The impact was limited but if combined with the "http-reuse always" setting, it could be used to help construct an HTTP request smuggling attack against a vulnerable component employing a lenient parser that would ignore the content-length header as soon as it saw a transfer-encoding one (even if not entirely valid according to the specification).
CVSSv2 Score:
4.3
Access vector:
NETWORK
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:N
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
HIGH
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE:
444 (Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling'))
References:
https://nathandavison.com/blog/haproxy-http-request-smuggling (MISC)
USN-4174-1 (UBUNTU)
openSUSE-SU-2019:2626 (SUSE)
openSUSE-SU-2019:2645 (SUSE)
[debian-lts-announce] 20220530 [SECURITY] [DLA 3034-1] haproxy security update (MLIST)
https://www.mail-archive.com/haproxy%40formilux.org/msg34926.html ()
https://git.haproxy.org/?p=haproxy-2.0.git%3Ba=commit%3Bh=196a7df44d8129d1adc795da020b722614d6a581 ()
CVE: CVE-2019-19330
CVE: CVE-2019-19330
Id:
CVE-2019-19330
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19330
Comment
: The HTTP/2 implementation in HAProxy before 2.0.10 mishandles headers, as demonstrated by carriage return (CR, ASCII 0xd), line feed (LF, ASCII 0xa), and the zero character (NUL, ASCII 0x0), aka Intermediary Encapsulation Attacks.
CVSSv2 Score:
7.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE:
74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'))
References:
https://tools.ietf.org/html/rfc7540#section-10.3 (MISC)
DSA-4577 (DEBIAN)
20191128 [SECURITY] [DSA 4577-1] haproxy security update (BUGTRAQ)
USN-4212-1 (UBUNTU)
GLSA-202004-01 (GENTOO)
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=54f53ef7ce4102be596130b44c768d1818570344 ()
https://git.haproxy.org/?p=haproxy.git%3Ba=commit%3Bh=146f53ae7e97dbfe496d0445c2802dd0a30b0878 ()
https://git.haproxy.org/?p=haproxy-2.0.git%3Ba=commit%3Bh=ac198b92d461515551b95daae20954b3053ce87e ()
CVE: CVE-2020-11100
CVE: CVE-2020-11100
Id:
CVE-2020-11100
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11100
Comment
: 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 Score:
6.5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:S/C:P/I:P/A:P
CVSSv3 Score:
8.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://lists.debian.org/debian-security-announce/2020/msg00052.html (CONFIRM)
http://www.haproxy.org (MISC)
https://www.haproxy.org/download/2.1/src/CHANGELOG (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=1819111 (CONFIRM)
https://bugzilla.suse.com/show_bug.cgi?id=1168023 (CONFIRM)
openSUSE-SU-2020:0444 (SUSE)
DSA-4649 (DEBIAN)
USN-4321-1 (UBUNTU)
http://packetstormsecurity.com/files/157323/haproxy-hpack-tbl.c-Out-Of-Bounds-Write.html (MISC)
GLSA-202012-22 (GENTOO)
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 ()
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