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amazonAmazonALAS-2023-1869
HistoryOct 16, 2023 - 1:45 p.m.

Important: nghttp2

2023-10-1613:45:00
alas.aws.amazon.com
38
http/2
nghttp2
denial of service
cve-2023-44487
update
red hat
mitre
unix

CVSS3

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.816

Percentile

98.4%

JSON

Issue Overview:

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. (CVE-2023-44487)

Affected Packages:

nghttp2

Issue Correction:
Run yum update nghttp2 to update your system.

New Packages:

i686:  
    nghttp2-1.33.0-1.1.8.amzn1.i686  
    nghttp2-debuginfo-1.33.0-1.1.8.amzn1.i686  
    libnghttp2-devel-1.33.0-1.1.8.amzn1.i686  
    libnghttp2-1.33.0-1.1.8.amzn1.i686  
  
src:  
    nghttp2-1.33.0-1.1.8.amzn1.src  
  
x86_64:  
    nghttp2-1.33.0-1.1.8.amzn1.x86_64  
    libnghttp2-devel-1.33.0-1.1.8.amzn1.x86_64  
    libnghttp2-1.33.0-1.1.8.amzn1.x86_64  
    nghttp2-debuginfo-1.33.0-1.1.8.amzn1.x86_64

Additional References

Red Hat: CVE-2023-44487

Mitre: CVE-2023-44487

Related

msrc 1
mskb 1
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almalinux 3
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cbl_mariner 35
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openvas 15
vulnrichment 1
atlassian 2
debian 3
githubexploit 1
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ibm
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Security Bulletin: The IBM® Engineering Lifecycle Engineering products using IBM WebSphere Application Server Liberty is vulnerable to a denial of service (CVE-2023-44487)
2024-01-08 05:02:13
Security Bulletin: Due to the use of IBM WebSphere Liberty, IBM CICS TX Advanced is vulnerable to a flaw in handling multiplexed streams in the HTTP/2 protocol (CVE-2023-44487).
2024-01-22 15:00:49
Security Bulletin: The IBM® Engineering Lifecycle Engineering products using IBM WebSphere Application Server Liberty is vulnerable to a denial of service (CVE-2023-44487)
2024-03-20 06:38:38
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ROS-20240402-08
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CVSS3

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.816

Percentile

98.4%

JSON
Related for ALAS-2023-1869
msrc1mskb1freebsd1nessus36redhat11almalinux3broadcom1osv63rocky2fedora7prion1oraclelinux4ibm8cbl_mariner35redos3openvas15vulnrichment1atlassian2debian3githubexploit1