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amazonAmazonALAS-2021-1530
HistorySep 02, 2021 - 10:54 p.m.

Important: libwebp

2021-09-0222:54:00
alas.aws.amazon.com
17

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.008 Low

EPSS

Percentile

81.1%

Issue Overview:

A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-36328)

Affected Packages:

libwebp

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

New Packages:

i686:  
    libwebp-0.3.0-10.7.amzn1.i686  
    libwebp-java-0.3.0-10.7.amzn1.i686  
    libwebp-debuginfo-0.3.0-10.7.amzn1.i686  
    libwebp-devel-0.3.0-10.7.amzn1.i686  
    libwebp-tools-0.3.0-10.7.amzn1.i686  
  
src:  
    libwebp-0.3.0-10.7.amzn1.src  
  
x86_64:  
    libwebp-tools-0.3.0-10.7.amzn1.x86_64  
    libwebp-devel-0.3.0-10.7.amzn1.x86_64  
    libwebp-0.3.0-10.7.amzn1.x86_64  
    libwebp-debuginfo-0.3.0-10.7.amzn1.x86_64  
    libwebp-java-0.3.0-10.7.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-36328

Mitre: CVE-2020-36328

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

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

0.008 Low

EPSS

Percentile

81.1%