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amazonAmazonALAS-2016-660
HistoryMar 10, 2016 - 4:30 p.m.

Low: glibc

2016-03-1016:30:00
alas.aws.amazon.com
10

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.01 Low

EPSS

Percentile

83.5%

Issue Overview:

It was discovered that the calloc implementation in glibc could return memory areas which contain non-zero bytes. This could result in unexpected application behavior such as hangs or crashes.

Affected Packages:

glibc

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

New Packages:

i686:  
    glibc-debuginfo-2.17-106.167.amzn1.i686  
    glibc-debuginfo-common-2.17-106.167.amzn1.i686  
    glibc-devel-2.17-106.167.amzn1.i686  
    glibc-headers-2.17-106.167.amzn1.i686  
    nscd-2.17-106.167.amzn1.i686  
    glibc-utils-2.17-106.167.amzn1.i686  
    glibc-2.17-106.167.amzn1.i686  
    glibc-common-2.17-106.167.amzn1.i686  
    glibc-static-2.17-106.167.amzn1.i686  
  
src:  
    glibc-2.17-106.167.amzn1.src  
  
x86_64:  
    glibc-2.17-106.167.amzn1.x86_64  
    glibc-static-2.17-106.167.amzn1.x86_64  
    glibc-headers-2.17-106.167.amzn1.x86_64  
    glibc-utils-2.17-106.167.amzn1.x86_64  
    glibc-devel-2.17-106.167.amzn1.x86_64  
    glibc-common-2.17-106.167.amzn1.x86_64  
    glibc-debuginfo-common-2.17-106.167.amzn1.x86_64  
    nscd-2.17-106.167.amzn1.x86_64  
    glibc-debuginfo-2.17-106.167.amzn1.x86_64  

Additional References

Red Hat: CVE-2015-5229

Mitre: CVE-2015-5229

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.01 Low

EPSS

Percentile

83.5%

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