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amazonAmazonALAS-2017-780
HistoryJan 04, 2017 - 5:00 p.m.

Medium: sudo

2017-01-0417:00:00
alas.aws.amazon.com
11

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

Issue Overview:

It was discovered that the sudo noexec restriction could have been bypassed if application run via sudo executed system() or popen() C library functions with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could use this flaw to execute arbitrary commands with elevated privileges. (CVE-2016-7032)

It was discovered that the sudo noexec restriction could have been bypassed if application run via sudo executed wordexp() C library function with a user supplied argument. A local user permitted to run such application via sudo with noexec restriction could possibly use this flaw to execute arbitrary commands with elevated privileges. (CVE-2016-7076)

Affected Packages:

sudo

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

New Packages:

i686:  
    sudo-devel-1.8.6p3-25.23.amzn1.i686  
    sudo-1.8.6p3-25.23.amzn1.i686  
    sudo-debuginfo-1.8.6p3-25.23.amzn1.i686  
  
src:  
    sudo-1.8.6p3-25.23.amzn1.src  
  
x86_64:  
    sudo-devel-1.8.6p3-25.23.amzn1.x86_64  
    sudo-debuginfo-1.8.6p3-25.23.amzn1.x86_64  
    sudo-1.8.6p3-25.23.amzn1.x86_64  

Additional References

Red Hat: CVE-2016-7032, CVE-2016-7076

Mitre: CVE-2016-7032, CVE-2016-7076

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%