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amazonAmazonALAS2-2020-1540
HistoryOct 22, 2020 - 6:33 p.m.

Medium: openwsman

2020-10-2218:33:00
alas.aws.amazon.com
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

72.6%

JSON

Issue Overview:

Openwsman, versions up to and including 2.6.9, are vulnerable to infinite loop in process_connection() when parsing specially crafted HTTP requests. A remote, unauthenticated attacker can exploit this vulnerability by sending malicious HTTP request to cause denial of service to openwsman server. (CVE-2019-3833)

Affected Packages:

openwsman

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 openwsman to update your system.

New Packages:

aarch64:  
    libwsman1-2.6.3-7.git4391e5c.amzn2.aarch64  
    libwsman-devel-2.6.3-7.git4391e5c.amzn2.aarch64  
    openwsman-client-2.6.3-7.git4391e5c.amzn2.aarch64  
    openwsman-server-2.6.3-7.git4391e5c.amzn2.aarch64  
    openwsman-python-2.6.3-7.git4391e5c.amzn2.aarch64  
    openwsman-ruby-2.6.3-7.git4391e5c.amzn2.aarch64  
    openwsman-perl-2.6.3-7.git4391e5c.amzn2.aarch64  
    openwsman-debuginfo-2.6.3-7.git4391e5c.amzn2.aarch64  
  
i686:  
    libwsman1-2.6.3-7.git4391e5c.amzn2.i686  
    libwsman-devel-2.6.3-7.git4391e5c.amzn2.i686  
    openwsman-client-2.6.3-7.git4391e5c.amzn2.i686  
    openwsman-server-2.6.3-7.git4391e5c.amzn2.i686  
    openwsman-python-2.6.3-7.git4391e5c.amzn2.i686  
    openwsman-ruby-2.6.3-7.git4391e5c.amzn2.i686  
    openwsman-perl-2.6.3-7.git4391e5c.amzn2.i686  
    openwsman-debuginfo-2.6.3-7.git4391e5c.amzn2.i686  
  
src:  
    openwsman-2.6.3-7.git4391e5c.amzn2.src  
  
x86_64:  
    libwsman1-2.6.3-7.git4391e5c.amzn2.x86_64  
    libwsman-devel-2.6.3-7.git4391e5c.amzn2.x86_64  
    openwsman-client-2.6.3-7.git4391e5c.amzn2.x86_64  
    openwsman-server-2.6.3-7.git4391e5c.amzn2.x86_64  
    openwsman-python-2.6.3-7.git4391e5c.amzn2.x86_64  
    openwsman-ruby-2.6.3-7.git4391e5c.amzn2.x86_64  
    openwsman-perl-2.6.3-7.git4391e5c.amzn2.x86_64  
    openwsman-debuginfo-2.6.3-7.git4391e5c.amzn2.x86_64

Additional References

Red Hat: CVE-2019-3833

Mitre: CVE-2019-3833

OSVersionArchitecturePackageVersionFilename
Amazon Linux2aarch64libwsman1< 2.6.3-7.git4391e5c.amzn2libwsman1-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64libwsman-devel< 2.6.3-7.git4391e5c.amzn2libwsman-devel-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64openwsman-client< 2.6.3-7.git4391e5c.amzn2openwsman-client-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64openwsman-server< 2.6.3-7.git4391e5c.amzn2openwsman-server-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64openwsman-python< 2.6.3-7.git4391e5c.amzn2openwsman-python-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64openwsman-ruby< 2.6.3-7.git4391e5c.amzn2openwsman-ruby-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64openwsman-perl< 2.6.3-7.git4391e5c.amzn2openwsman-perl-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2aarch64openwsman-debuginfo< 2.6.3-7.git4391e5c.amzn2openwsman-debuginfo-2.6.3-7.git4391e5c.amzn2.aarch64.rpm
Amazon Linux2i686libwsman1< 2.6.3-7.git4391e5c.amzn2libwsman1-2.6.3-7.git4391e5c.amzn2.i686.rpm
Amazon Linux2i686libwsman-devel< 2.6.3-7.git4391e5c.amzn2libwsman-devel-2.6.3-7.git4391e5c.amzn2.i686.rpm
Rows per page:
1-10 of 241

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7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.004 Low

EPSS

Percentile

72.6%

JSON
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