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amazonAmazonALAS-2017-806
HistoryMar 22, 2017 - 4:00 p.m.

Low: curl

2017-03-2216:00:00
alas.aws.amazon.com
14

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.011 Low

EPSS

Percentile

84.6%

Issue Overview:

libcurl’s implementation of the printf() functions triggers a buffer overflow when doing a large floating point output. If there are any application that accepts a format string from the outside without necessary input filtering, it could allow remote attacks. This flaw does not exist in the command line tool.

Affected Packages:

curl

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

New Packages:

i686:  
    curl-7.47.1-9.70.amzn1.i686  
    libcurl-7.47.1-9.70.amzn1.i686  
    curl-debuginfo-7.47.1-9.70.amzn1.i686  
    libcurl-devel-7.47.1-9.70.amzn1.i686  
  
src:  
    curl-7.47.1-9.70.amzn1.src  
  
x86_64:  
    curl-debuginfo-7.47.1-9.70.amzn1.x86_64  
    libcurl-7.47.1-9.70.amzn1.x86_64  
    curl-7.47.1-9.70.amzn1.x86_64  
    libcurl-devel-7.47.1-9.70.amzn1.x86_64  

Additional References

Red Hat: CVE-2016-9586

Mitre: CVE-2016-9586

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.011 Low

EPSS

Percentile

84.6%