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amazonAmazonALAS-2023-1765
HistoryJun 05, 2023 - 4:39 p.m.

Medium: mod24_auth_mellon

2023-06-0516:39:00
alas.aws.amazon.com
11
flaw
mod_auth_mellon
phishing attacks
sanitizing logout urls
cve-2021-3639
update

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

30.8%

Issue Overview:

A flaw was found in mod_auth_mellon where it does not sanitize logout URLs properly. This issue could be used by an attacker to facilitate phishing attacks by tricking users into visiting a trusted web application URL that redirects to an external and potentially malicious server. The highest threat from this liability is to confidentiality and integrity. (CVE-2021-3639)

Affected Packages:

mod24_auth_mellon

Issue Correction:
Run yum update mod24_auth_mellon to update your system.

New Packages:

i686:  
    mod24_auth_mellon-diagnostics-0.14.0-2.10.amzn1.i686  
    mod24_auth_mellon-0.14.0-2.10.amzn1.i686  
    mod24_auth_mellon-debuginfo-0.14.0-2.10.amzn1.i686  
  
src:  
    mod24_auth_mellon-0.14.0-2.10.amzn1.src  
  
x86_64:  
    mod24_auth_mellon-diagnostics-0.14.0-2.10.amzn1.x86_64  
    mod24_auth_mellon-debuginfo-0.14.0-2.10.amzn1.x86_64  
    mod24_auth_mellon-0.14.0-2.10.amzn1.x86_64  

Additional References

Red Hat: CVE-2021-3639

Mitre: CVE-2021-3639

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

30.8%