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amazonAmazonALAS-2011-019
HistoryNov 09, 2011 - 9:48 p.m.

Medium: perl

2011-11-0921:48:00
alas.aws.amazon.com
12

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

0.036 Low

EPSS

Percentile

91.5%

Issue Overview:

A heap-based buffer overflow flaw was found in the way Perl decoded Unicode strings. An attacker could create a malicious Unicode string that, when decoded by a Perl program, would cause the program to crash or, potentially, execute arbitrary code with the permissions of the user running the program. (CVE-2011-2939)

It was found that the “new” constructor of the Digest module used its argument as part of the string expression passed to the eval() function. An attacker could possibly use this flaw to execute arbitrary Perl code with the privileges of a Perl program that uses untrusted input as an argument to the constructor. (CVE-2011-3597)

Affected Packages:

perl

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

New Packages:

i686:  
    perl-Term-UI-0.20-119.12.amzn1.i686  
    perl-suidperl-5.10.1-119.12.amzn1.i686  
    perl-Object-Accessor-0.34-119.12.amzn1.i686  
    perl-Pod-Escapes-1.04-119.12.amzn1.i686  
    perl-Digest-SHA-5.47-119.12.amzn1.i686  
    perl-CPAN-1.9402-119.12.amzn1.i686  
    perl-ExtUtils-ParseXS-2.2003.0-119.12.amzn1.i686  
    perl-IO-Compress-Base-2.020-119.12.amzn1.i686  
    perl-Module-Build-0.3500-119.12.amzn1.i686  
    perl-libs-5.10.1-119.12.amzn1.i686  
    perl-ExtUtils-MakeMaker-6.55-119.12.amzn1.i686  
    perl-Module-Load-0.16-119.12.amzn1.i686  
    perl-Time-Piece-1.15-119.12.amzn1.i686  
    perl-devel-5.10.1-119.12.amzn1.i686  
    perl-ExtUtils-CBuilder-0.27-119.12.amzn1.i686  
    perl-Archive-Extract-0.38-119.12.amzn1.i686  
    perl-core-5.10.1-119.12.amzn1.i686  
    perl-File-Fetch-0.26-119.12.amzn1.i686  
    perl-version-0.77-119.12.amzn1.i686  
    perl-Archive-Tar-1.58-119.12.amzn1.i686  
    perl-Parse-CPAN-Meta-1.40-119.12.amzn1.i686  
    perl-Params-Check-0.26-119.12.amzn1.i686  
    perl-Module-CoreList-2.18-119.12.amzn1.i686  
    perl-ExtUtils-Embed-1.28-119.12.amzn1.i686  
    perl-CPANPLUS-0.88-119.12.amzn1.i686  
    perl-Module-Loaded-0.02-119.12.amzn1.i686  
    perl-Log-Message-0.02-119.12.amzn1.i686  
    perl-Module-Pluggable-3.90-119.12.amzn1.i686  
    perl-Log-Message-Simple-0.04-119.12.amzn1.i686  
    perl-Test-Harness-3.17-119.12.amzn1.i686  
    perl-IPC-Cmd-0.56-119.12.amzn1.i686  
    perl-IO-Compress-Zlib-2.020-119.12.amzn1.i686  
    perl-parent-0.221-119.12.amzn1.i686  
    perl-Compress-Zlib-2.020-119.12.amzn1.i686  
    perl-CGI-3.51-119.12.amzn1.i686  
    perl-IO-Zlib-1.09-119.12.amzn1.i686  
    perl-Test-Simple-0.92-119.12.amzn1.i686  
    perl-Compress-Raw-Zlib-2.023-119.12.amzn1.i686  
    perl-debuginfo-5.10.1-119.12.amzn1.i686  
    perl-Module-Load-Conditional-0.30-119.12.amzn1.i686  
    perl-Package-Constants-0.02-119.12.amzn1.i686  
    perl-Time-HiRes-1.9721-119.12.amzn1.i686  
    perl-Locale-Maketext-Simple-0.18-119.12.amzn1.i686  
    perl-5.10.1-119.12.amzn1.i686  
    perl-Pod-Simple-3.13-119.12.amzn1.i686  
  
src:  
    perl-5.10.1-119.12.amzn1.src  
  
x86_64:  
    perl-Time-HiRes-1.9721-119.12.amzn1.x86_64  
    perl-Time-Piece-1.15-119.12.amzn1.x86_64  
    perl-Archive-Extract-0.38-119.12.amzn1.x86_64  
    perl-CPANPLUS-0.88-119.12.amzn1.x86_64  
    perl-libs-5.10.1-119.12.amzn1.x86_64  
    perl-parent-0.221-119.12.amzn1.x86_64  
    perl-ExtUtils-CBuilder-0.27-119.12.amzn1.x86_64  
    perl-ExtUtils-Embed-1.28-119.12.amzn1.x86_64  
    perl-Params-Check-0.26-119.12.amzn1.x86_64  
    perl-Locale-Maketext-Simple-0.18-119.12.amzn1.x86_64  
    perl-ExtUtils-ParseXS-2.2003.0-119.12.amzn1.x86_64  
    perl-Archive-Tar-1.58-119.12.amzn1.x86_64  
    perl-Pod-Escapes-1.04-119.12.amzn1.x86_64  
    perl-devel-5.10.1-119.12.amzn1.x86_64  
    perl-Object-Accessor-0.34-119.12.amzn1.x86_64  
    perl-Log-Message-0.02-119.12.amzn1.x86_64  
    perl-5.10.1-119.12.amzn1.x86_64  
    perl-Module-CoreList-2.18-119.12.amzn1.x86_64  
    perl-Log-Message-Simple-0.04-119.12.amzn1.x86_64  
    perl-Pod-Simple-3.13-119.12.amzn1.x86_64  
    perl-Compress-Zlib-2.020-119.12.amzn1.x86_64  
    perl-Parse-CPAN-Meta-1.40-119.12.amzn1.x86_64  
    perl-Compress-Raw-Zlib-2.023-119.12.amzn1.x86_64  
    perl-ExtUtils-MakeMaker-6.55-119.12.amzn1.x86_64  
    perl-IO-Compress-Zlib-2.020-119.12.amzn1.x86_64  
    perl-Module-Loaded-0.02-119.12.amzn1.x86_64  
    perl-Module-Load-Conditional-0.30-119.12.amzn1.x86_64  
    perl-IO-Compress-Base-2.020-119.12.amzn1.x86_64  
    perl-CPAN-1.9402-119.12.amzn1.x86_64  
    perl-Module-Pluggable-3.90-119.12.amzn1.x86_64  
    perl-Digest-SHA-5.47-119.12.amzn1.x86_64  
    perl-File-Fetch-0.26-119.12.amzn1.x86_64  
    perl-CGI-3.51-119.12.amzn1.x86_64  
    perl-Test-Simple-0.92-119.12.amzn1.x86_64  
    perl-Module-Build-0.3500-119.12.amzn1.x86_64  
    perl-version-0.77-119.12.amzn1.x86_64  
    perl-debuginfo-5.10.1-119.12.amzn1.x86_64  
    perl-suidperl-5.10.1-119.12.amzn1.x86_64  
    perl-Package-Constants-0.02-119.12.amzn1.x86_64  
    perl-IO-Zlib-1.09-119.12.amzn1.x86_64  
    perl-Term-UI-0.20-119.12.amzn1.x86_64  
    perl-core-5.10.1-119.12.amzn1.x86_64  
    perl-IPC-Cmd-0.56-119.12.amzn1.x86_64  
    perl-Test-Harness-3.17-119.12.amzn1.x86_64  
    perl-Module-Load-0.16-119.12.amzn1.x86_64  

Additional References

Red Hat: CVE-2011-2939, CVE-2011-3597

Mitre: CVE-2011-2939, CVE-2011-3597

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

0.036 Low

EPSS

Percentile

91.5%