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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:133116
[Rus]
Version
8
Class
vulnerability
ALTXid
327656
Language
English
Severity
High
Title
Red Hat -- Vulnerability in libnghttp2, nghttp2-debugsource (CVE-2020-11080)
Description
The vulnerability was found in libnghttp2, nghttp2-debugsource.
Family
unix
Platform
CentOS Linux 8
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Product
libnghttp2
nghttp2-debugsource
nodejs
npm
Red Hat OpenShift Service Mesh
rh-nodejs10-nodejs
rh-nodejs12-nodejs
Reference
VENDOR: RHSA-2020:2523
VENDOR: RHSA-2020:2523
Id:
RHSA-2020:2523
Reference:
https://access.redhat.com/errata/RHSA-2020:2523
VENDOR: RHSA-2020:2524
VENDOR: RHSA-2020:2524
Id:
RHSA-2020:2524
Reference:
https://access.redhat.com/errata/RHSA-2020:2524
VENDOR: RHSA-2020:3084
VENDOR: RHSA-2020:3084
Id:
RHSA-2020:3084
Reference:
https://access.redhat.com/errata/RHSA-2020:3084
VENDOR: RHSA-2020:2895
VENDOR: RHSA-2020:2895
Id:
RHSA-2020:2895
Reference:
https://access.redhat.com/errata/RHSA-2020:2895
VENDOR: RHSA-2020:2847
VENDOR: RHSA-2020:2847
Id:
RHSA-2020:2847
Reference:
https://access.redhat.com/errata/RHSA-2020:2847
VENDOR: RHSA-2020:2852
VENDOR: RHSA-2020:2852
Id:
RHSA-2020:2852
Reference:
https://access.redhat.com/errata/RHSA-2020:2852
VENDOR: RHSA-2020:2849
VENDOR: RHSA-2020:2849
Id:
RHSA-2020:2849
Reference:
https://access.redhat.com/errata/RHSA-2020:2849
VENDOR: RHSA-2020:2848
VENDOR: RHSA-2020:2848
Id:
RHSA-2020:2848
Reference:
https://access.redhat.com/errata/RHSA-2020:2848
VENDOR: RHSA-2020:2823
VENDOR: RHSA-2020:2823
Id:
RHSA-2020:2823
Reference:
https://access.redhat.com/errata/RHSA-2020:2823
CVE: CVE-2020-11080
CVE: CVE-2020-11080
Id:
CVE-2020-11080
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11080
Comment
: In nghttp2 before version 1.41.0, the overly large HTTP/2 SETTINGS frame payload causes denial of service. The proof of concept attack involves a malicious client constructing a SETTINGS frame with a length of 14,400 bytes (2400 individual settings entries) over and over again. The attack causes the CPU to spike at 100%. nghttp2 v1.41.0 fixes this vulnerability. There is a workaround to this vulnerability. Implement nghttp2_on_frame_recv_callback callback, and if received frame is SETTINGS frame and the number of settings entries are large (e.g., > 32), then drop the connection.
CVSSv2 Score:
5
Access vector:
NETWORK
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
7.5
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE:
707 (Improper Enforcement of Message or Data Structure)
References:
https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394 (MISC)
https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr (CONFIRM)
https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090 (MISC)
DSA-4696 (DEBIAN)
openSUSE-SU-2020:0802 (SUSE)
https://www.oracle.com/security-alerts/cpujul2020.html (MISC)
https://www.oracle.com/security-alerts/cpuoct2020.html (MISC)
https://www.oracle.com/security-alerts/cpujan2021.html (MISC)
N/A (N/A)
[debian-lts-announce] 20211017 [SECURITY] [DLA 2786-1] nghttp2 security update (MLIST)
https://www.oracle.com/security-alerts/cpuapr2022.html (MISC)
[debian-lts-announce] 20231016 [SECURITY] [DLA 3621-1] nghttp2 security update (MLIST)
FEDORA-2020-f7d15c8b77 ()
FEDORA-2020-43d5a372fc ()
VENDOR: RHSA-2020:2755
VENDOR: RHSA-2020:2755
Id:
RHSA-2020:2755
Reference:
https://access.redhat.com/errata/RHSA-2020:2755
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