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amazonAmazonALAS2-2023-2031
HistoryApr 27, 2023 - 6:37 p.m.

Medium: libwebp

2023-04-2718:37:00
alas.aws.amazon.com
39

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

0.004 Low

EPSS

Percentile

74.0%

Issue Overview:

A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkVerifyAndAssign. The highest threat from this vulnerability is to data confidentiality and to the service availability. (CVE-2020-36330)

A flaw was found in libwebp in versions before 1.0.1. An out-of-bounds read was found in function ChunkAssignData. The highest threat from this vulnerability is to data confidentiality and to the service availability. (CVE-2020-36331)

Affected Packages:

libwebp

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 libwebp to update your system.

New Packages:

aarch64:  
    libwebp-0.3.0-10.amzn2.0.1.aarch64  
    libwebp-tools-0.3.0-10.amzn2.0.1.aarch64  
    libwebp-devel-0.3.0-10.amzn2.0.1.aarch64  
    libwebp-java-0.3.0-10.amzn2.0.1.aarch64  
    libwebp-debuginfo-0.3.0-10.amzn2.0.1.aarch64  
  
i686:  
    libwebp-0.3.0-10.amzn2.0.1.i686  
    libwebp-tools-0.3.0-10.amzn2.0.1.i686  
    libwebp-devel-0.3.0-10.amzn2.0.1.i686  
    libwebp-java-0.3.0-10.amzn2.0.1.i686  
    libwebp-debuginfo-0.3.0-10.amzn2.0.1.i686  
  
src:  
    libwebp-0.3.0-10.amzn2.0.1.src  
  
x86_64:  
    libwebp-0.3.0-10.amzn2.0.1.x86_64  
    libwebp-tools-0.3.0-10.amzn2.0.1.x86_64  
    libwebp-devel-0.3.0-10.amzn2.0.1.x86_64  
    libwebp-java-0.3.0-10.amzn2.0.1.x86_64  
    libwebp-debuginfo-0.3.0-10.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2020-36330, CVE-2020-36331

Mitre: CVE-2020-36330, CVE-2020-36331

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

9.4 High

AI Score

Confidence

High

6.4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:N/A:P

0.004 Low

EPSS

Percentile

74.0%