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amazonAmazonALAS2-2020-1528
HistoryOct 22, 2020 - 6:17 p.m.

Low: libpng

2020-10-2218:17:00
alas.aws.amazon.com
13

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

9.6 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

0.028 Low

EPSS

Percentile

90.4%

Issue Overview:

libpng before 1.6.32 does not properly check the length of chunks against the user limit. (CVE-2017-12652)

Affected Packages:

libpng

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 libpng to update your system.

New Packages:

aarch64:  
    libpng-1.5.13-8.amzn2.aarch64  
    libpng-devel-1.5.13-8.amzn2.aarch64  
    libpng-static-1.5.13-8.amzn2.aarch64  
    libpng-debuginfo-1.5.13-8.amzn2.aarch64  
  
i686:  
    libpng-1.5.13-8.amzn2.i686  
    libpng-devel-1.5.13-8.amzn2.i686  
    libpng-static-1.5.13-8.amzn2.i686  
    libpng-debuginfo-1.5.13-8.amzn2.i686  
  
src:  
    libpng-1.5.13-8.amzn2.src  
  
x86_64:  
    libpng-1.5.13-8.amzn2.x86_64  
    libpng-devel-1.5.13-8.amzn2.x86_64  
    libpng-static-1.5.13-8.amzn2.x86_64  
    libpng-debuginfo-1.5.13-8.amzn2.x86_64  

Additional References

Red Hat: CVE-2017-12652

Mitre: CVE-2017-12652

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

9.6 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

0.028 Low

EPSS

Percentile

90.4%