9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
71.2%
Issue Overview:
A security vulnerability was found in zlib. The flaw triggered a heap-based buffer in inflate in the inflate.c function via a large gzip header extra field. This flaw is only applicable in the call inflateGetHeader. (CVE-2022-37434)
Affected Packages:
zlib
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update zlib to update your system.
New Packages:
aarch64:
zlib-1.2.7-19.amzn2.0.2.aarch64
zlib-devel-1.2.7-19.amzn2.0.2.aarch64
zlib-static-1.2.7-19.amzn2.0.2.aarch64
minizip-1.2.7-19.amzn2.0.2.aarch64
minizip-devel-1.2.7-19.amzn2.0.2.aarch64
zlib-debuginfo-1.2.7-19.amzn2.0.2.aarch64
i686:
zlib-1.2.7-19.amzn2.0.2.i686
zlib-devel-1.2.7-19.amzn2.0.2.i686
zlib-static-1.2.7-19.amzn2.0.2.i686
minizip-1.2.7-19.amzn2.0.2.i686
minizip-devel-1.2.7-19.amzn2.0.2.i686
zlib-debuginfo-1.2.7-19.amzn2.0.2.i686
src:
zlib-1.2.7-19.amzn2.0.2.src
x86_64:
zlib-1.2.7-19.amzn2.0.2.x86_64
zlib-devel-1.2.7-19.amzn2.0.2.x86_64
zlib-static-1.2.7-19.amzn2.0.2.x86_64
minizip-1.2.7-19.amzn2.0.2.x86_64
minizip-devel-1.2.7-19.amzn2.0.2.x86_64
zlib-debuginfo-1.2.7-19.amzn2.0.2.x86_64
Red Hat: CVE-2022-37434
Mitre: CVE-2022-37434
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | zlib | < 1.2.7-19.amzn2.0.2 | zlib-1.2.7-19.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | zlib-devel | < 1.2.7-19.amzn2.0.2 | zlib-devel-1.2.7-19.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | zlib-static | < 1.2.7-19.amzn2.0.2 | zlib-static-1.2.7-19.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | minizip | < 1.2.7-19.amzn2.0.2 | minizip-1.2.7-19.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | minizip-devel | < 1.2.7-19.amzn2.0.2 | minizip-devel-1.2.7-19.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | zlib-debuginfo | < 1.2.7-19.amzn2.0.2 | zlib-debuginfo-1.2.7-19.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | i686 | zlib | < 1.2.7-19.amzn2.0.2 | zlib-1.2.7-19.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | zlib-devel | < 1.2.7-19.amzn2.0.2 | zlib-devel-1.2.7-19.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | zlib-static | < 1.2.7-19.amzn2.0.2 | zlib-static-1.2.7-19.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | minizip | < 1.2.7-19.amzn2.0.2 | minizip-1.2.7-19.amzn2.0.2.i686.rpm |
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.003 Low
EPSS
Percentile
71.2%