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amazonAmazonALAS-2015-600
HistoryOct 09, 2015 - 4:35 p.m.

Low: libunwind

2015-10-0916:35:00
alas.aws.amazon.com
19

CVSS2

3.3

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

EPSS

0

Percentile

5.1%

Issue Overview:

An off-by-one array indexing error was found in the libunwind API, which could cause an error when reading untrusted binaries or dwarf debug info data.

Affected Packages:

libunwind

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

New Packages:

i686:  
    libunwind-devel-1.1-10.8.amzn1.i686  
    libunwind-1.1-10.8.amzn1.i686  
    libunwind-debuginfo-1.1-10.8.amzn1.i686  
  
src:  
    libunwind-1.1-10.8.amzn1.src  
  
x86_64:  
    libunwind-1.1-10.8.amzn1.x86_64  
    libunwind-debuginfo-1.1-10.8.amzn1.x86_64  
    libunwind-devel-1.1-10.8.amzn1.x86_64  

Additional References

Red Hat: CVE-2015-3239

Mitre: CVE-2015-3239

CVSS2

3.3

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

EPSS

0

Percentile

5.1%