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amazonAmazonALAS2-2023-2290
HistoryOct 12, 2023 - 3:08 p.m.

Important: libwebp12

2023-10-1215:08:00
alas.aws.amazon.com
17

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.68 Medium

EPSS

Percentile

97.9%

Issue Overview:

Heap buffer overflow in WebP in Google Chrome prior to 116.0.5845.187 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical) (CVE-2023-4863)

Affected Packages:

libwebp12

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 libwebp12 to update your system.

New Packages:

aarch64:  
    libwebp12-1.2.0-3.amzn2.0.2.aarch64  
    libwebp12-tools-1.2.0-3.amzn2.0.2.aarch64  
    libwebp12-devel-1.2.0-3.amzn2.0.2.aarch64  
    libwebp12-java-1.2.0-3.amzn2.0.2.aarch64  
    libwebp12-debuginfo-1.2.0-3.amzn2.0.2.aarch64  
  
i686:  
    libwebp12-1.2.0-3.amzn2.0.2.i686  
    libwebp12-tools-1.2.0-3.amzn2.0.2.i686  
    libwebp12-devel-1.2.0-3.amzn2.0.2.i686  
    libwebp12-java-1.2.0-3.amzn2.0.2.i686  
    libwebp12-debuginfo-1.2.0-3.amzn2.0.2.i686  
  
src:  
    libwebp12-1.2.0-3.amzn2.0.2.src  
  
x86_64:  
    libwebp12-1.2.0-3.amzn2.0.2.x86_64  
    libwebp12-tools-1.2.0-3.amzn2.0.2.x86_64  
    libwebp12-devel-1.2.0-3.amzn2.0.2.x86_64  
    libwebp12-java-1.2.0-3.amzn2.0.2.x86_64  
    libwebp12-debuginfo-1.2.0-3.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2023-4863

Mitre: CVE-2023-4863

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.68 Medium

EPSS

Percentile

97.9%