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amazonAmazonALAS-2022-1585
HistoryMay 20, 2022 - 10:12 p.m.

Critical: xmlrpc-c

2022-05-2022:12:00
alas.aws.amazon.com
28

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

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

0.015 Low

EPSS

Percentile

86.6%

Issue Overview:

A flaw was found in expat. Passing malformed 2- and 3-byte UTF-8 sequences (for example, from start tag names) to the XML processing application on top of expat can lead to arbitrary code execution. This issue is dependent on how invalid UTF-8 is handled inside the XML processor. (CVE-2022-25235)

Affected Packages:

xmlrpc-c

Issue Correction:
Run yum update xmlrpc-c to update your system.

New Packages:

i686:  
    xmlrpc-c-debuginfo-1.22.04-r1934.7.amzn1.i686  
    xmlrpc-c-apps-1.22.04-r1934.7.amzn1.i686  
    xmlrpc-c-1.22.04-r1934.7.amzn1.i686  
    xmlrpc-c-c++-1.22.04-r1934.7.amzn1.i686  
    xmlrpc-c-client++-1.22.04-r1934.7.amzn1.i686  
    xmlrpc-c-client-1.22.04-r1934.7.amzn1.i686  
    xmlrpc-c-devel-1.22.04-r1934.7.amzn1.i686  
  
src:  
    xmlrpc-c-1.22.04-r1934.7.amzn1.src  
  
x86_64:  
    xmlrpc-c-client-1.22.04-r1934.7.amzn1.x86_64  
    xmlrpc-c-client++-1.22.04-r1934.7.amzn1.x86_64  
    xmlrpc-c-1.22.04-r1934.7.amzn1.x86_64  
    xmlrpc-c-debuginfo-1.22.04-r1934.7.amzn1.x86_64  
    xmlrpc-c-devel-1.22.04-r1934.7.amzn1.x86_64  
    xmlrpc-c-c++-1.22.04-r1934.7.amzn1.x86_64  
    xmlrpc-c-apps-1.22.04-r1934.7.amzn1.x86_64  

Additional References

Red Hat: CVE-2022-25235

Mitre: CVE-2022-25235

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

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

0.015 Low

EPSS

Percentile

86.6%