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amazonAmazonALAS-2018-1136
HistoryDec 20, 2018 - 12:03 a.m.

Important: git

2018-12-2000:03:00
alas.aws.amazon.com
92

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.024 Low

EPSS

Percentile

90.0%

Issue Overview:

Git before 2.19.2 on Linux and UNIX executes commands from the current working directory (as if ‘.’ were at the end of $PATH) in certain cases involving the run_command() API and run-command.c, because there was a dangerous change from execvp to execv during 2017.(CVE-2018-19486)

Affected Packages:

git

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

New Packages:

i686:  
    git-debuginfo-2.14.5-1.60.amzn1.i686  
    git-daemon-2.14.5-1.60.amzn1.i686  
    git-2.14.5-1.60.amzn1.i686  
    git-svn-2.14.5-1.60.amzn1.i686  
  
noarch:  
    git-all-2.14.5-1.60.amzn1.noarch  
    git-cvs-2.14.5-1.60.amzn1.noarch  
    perl-Git-SVN-2.14.5-1.60.amzn1.noarch  
    gitweb-2.14.5-1.60.amzn1.noarch  
    perl-Git-2.14.5-1.60.amzn1.noarch  
    git-email-2.14.5-1.60.amzn1.noarch  
    git-hg-2.14.5-1.60.amzn1.noarch  
    git-bzr-2.14.5-1.60.amzn1.noarch  
    emacs-git-el-2.14.5-1.60.amzn1.noarch  
    git-p4-2.14.5-1.60.amzn1.noarch  
    emacs-git-2.14.5-1.60.amzn1.noarch  
  
src:  
    git-2.14.5-1.60.amzn1.src  
  
x86_64:  
    git-daemon-2.14.5-1.60.amzn1.x86_64  
    git-svn-2.14.5-1.60.amzn1.x86_64  
    git-debuginfo-2.14.5-1.60.amzn1.x86_64  
    git-2.14.5-1.60.amzn1.x86_64  

Additional References

Red Hat: CVE-2018-19486

Mitre: CVE-2018-19486

7.5 High

CVSS2

Attack Vector

NETWORK

Attack 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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.024 Low

EPSS

Percentile

90.0%