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amazonAmazonALAS2-2022-1808
HistoryJul 06, 2022 - 3:01 a.m.

Medium: curl

2022-07-0603:01:00
alas.aws.amazon.com
19

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

56.1%

Issue Overview:

A vulnerability was found in curl. This issue occurs because curl can reuse a previously created connection even when a TLS or SSH-related option is changed that should have prohibited reuse. This flaw leads to an authentication bypass, either by mistake or by a malicious actor. (CVE-2022-27782)

Affected Packages:

curl

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 curl to update your system.

New Packages:

aarch64:  
    curl-7.79.1-4.amzn2.0.1.aarch64  
    libcurl-7.79.1-4.amzn2.0.1.aarch64  
    libcurl-devel-7.79.1-4.amzn2.0.1.aarch64  
    curl-debuginfo-7.79.1-4.amzn2.0.1.aarch64  
  
i686:  
    curl-7.79.1-4.amzn2.0.1.i686  
    libcurl-7.79.1-4.amzn2.0.1.i686  
    libcurl-devel-7.79.1-4.amzn2.0.1.i686  
    curl-debuginfo-7.79.1-4.amzn2.0.1.i686  
  
src:  
    curl-7.79.1-4.amzn2.0.1.src  
  
x86_64:  
    curl-7.79.1-4.amzn2.0.1.x86_64  
    libcurl-7.79.1-4.amzn2.0.1.x86_64  
    libcurl-devel-7.79.1-4.amzn2.0.1.x86_64  
    curl-debuginfo-7.79.1-4.amzn2.0.1.x86_64  

Additional References

Red Hat: CVE-2022-27782

Mitre: CVE-2022-27782

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

7.1 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

56.1%