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amazonAmazonALAS-2011-005
HistoryOct 10, 2011 - 11:48 p.m.

Medium: perl-FCGI

2011-10-1023:48:00
alas.aws.amazon.com
13

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

0.002 Low

EPSS

Percentile

61.1%

Issue Overview:

The FCGI (aka Fast CGI) module 0.70 through 0.73 for Perl, as used by CGI::Fast, uses environment variable values from one request during processing of a later request, which allows remote attackers to bypass authentication via crafted HTTP headers.

Affected Packages:

perl-FCGI

Issue Correction:
Run yum update perl-FCGI to update your system.

New Packages:

i686:  
    perl-FCGI-debuginfo-0.74-1.0.amzn1.i686  
    perl-FCGI-0.74-1.0.amzn1.i686  
  
src:  
    perl-FCGI-0.74-1.0.amzn1.src  
  
x86_64:  
    perl-FCGI-debuginfo-0.74-1.0.amzn1.x86_64  
    perl-FCGI-0.74-1.0.amzn1.x86_64  

Additional References

Red Hat: CVE-2011-2766

Mitre: CVE-2011-2766

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

0.002 Low

EPSS

Percentile

61.1%