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amazonAmazonALAS2-2020-1521
HistoryOct 22, 2020 - 6:10 p.m.

Medium: libcroco

2020-10-2218:10:00
alas.aws.amazon.com
18

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

54.3%

Issue Overview:

A stack overflow flaw was found in libcroco. A service using libcroco’s CSS parser could be crashed by a local, authenticated attacker, or an attacker utilizing social engineering, using a crafted input. The highest threat from this vulnerability is to system availability. (CVE-2020-12825)

Affected Packages:

libcroco

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 libcroco to update your system.

New Packages:

aarch64:  
    libcroco-0.6.12-6.amzn2.aarch64  
    libcroco-devel-0.6.12-6.amzn2.aarch64  
    libcroco-debuginfo-0.6.12-6.amzn2.aarch64  
  
i686:  
    libcroco-0.6.12-6.amzn2.i686  
    libcroco-devel-0.6.12-6.amzn2.i686  
    libcroco-debuginfo-0.6.12-6.amzn2.i686  
  
src:  
    libcroco-0.6.12-6.amzn2.src  
  
x86_64:  
    libcroco-0.6.12-6.amzn2.x86_64  
    libcroco-devel-0.6.12-6.amzn2.x86_64  
    libcroco-debuginfo-0.6.12-6.amzn2.x86_64  

Additional References

Red Hat: CVE-2020-12825

Mitre: CVE-2020-12825

7.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

7 High

AI Score

Confidence

High

5.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

54.3%