7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.011 Low
EPSS
Percentile
84.2%
Debian LTS Advisory DLA-2786-1 [email protected]
https://www.debian.org/lts/security/ Anton Gladky
October 16, 2021 https://wiki.debian.org/LTS
Package : nghttp2
Version : 1.18.1-1+deb9u2
CVE ID : CVE-2018-1000168 CVE-2020-11080
Two security issue have been discovered in nghttp2: server, proxy and client
implementing HTTP/2.
CVE-2018-1000168
An Improper Input Validation CWE-20 vulnerability found in ALTSVC frame handling
that can result in segmentation fault leading to denial of service. This attack
appears to be exploitable via network client.
CVE-2020-11080
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%.
For Debian 9 stretch, these problems have been fixed in version
1.18.1-1+deb9u2.
We recommend that you upgrade your nghttp2 packages.
For the detailed security status of nghttp2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/nghttp2
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 9 | armel | nghttp2-client | < 1.18.1-1+deb9u2 | nghttp2-client_1.18.1-1+deb9u2_armel.deb |
Debian | 10 | all | nodejs | < 10.21.0~dfsg-1~deb10u1 | nodejs_10.21.0~dfsg-1~deb10u1_all.deb |
Debian | 10 | mipsel | libnode64 | < 10.21.0~dfsg-1~deb10u1 | libnode64_10.21.0~dfsg-1~deb10u1_mipsel.deb |
Debian | 10 | s390x | libnode-dev | < 10.21.0~dfsg-1~deb10u1 | libnode-dev_10.21.0~dfsg-1~deb10u1_s390x.deb |
Debian | 10 | i386 | libnode-dev | < 10.21.0~dfsg-1~deb10u1 | libnode-dev_10.21.0~dfsg-1~deb10u1_i386.deb |
Debian | 10 | armhf | nodejs-dbgsym | < 10.21.0~dfsg-1~deb10u1 | nodejs-dbgsym_10.21.0~dfsg-1~deb10u1_armhf.deb |
Debian | 10 | arm64 | nghttp2-client | < 1.36.0-2+deb10u2 | nghttp2-client_1.36.0-2+deb10u2_arm64.deb |
Debian | 10 | ppc64el | libnode64-dbgsym | < 10.21.0~dfsg-1~deb10u1 | libnode64-dbgsym_10.21.0~dfsg-1~deb10u1_ppc64el.deb |
Debian | 9 | amd64 | libnghttp2-dev | < 1.18.1-1+deb9u2 | libnghttp2-dev_1.18.1-1+deb9u2_amd64.deb |
Debian | 10 | ppc64el | libnode64 | < 10.21.0~dfsg-1~deb10u1 | libnode64_10.21.0~dfsg-1~deb10u1_ppc64el.deb |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.011 Low
EPSS
Percentile
84.2%