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amazonAmazonALAS-2018-1035
HistoryJun 08, 2018 - 6:31 p.m.

Important: git

2018-06-0818:31:00
alas.aws.amazon.com
15

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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

0.009 Low

EPSS

Percentile

82.0%

Issue Overview:

In Git before 2.13.7, 2.14.x before 2.14.4, 2.15.x before 2.15.2, 2.16.x before 2.16.4, and 2.17.x before 2.17.1, code to sanity-check pathnames on NTFS can result in reading out-of-bounds memory.(CVE-2018-11233)

In Git before 2.13.7, 2.14.x before 2.14.4, 2.15.x before 2.15.2, 2.16.x before 2.16.4, and 2.17.x before 2.17.1, remote code execution can occur. With a crafted .gitmodules file, a malicious project can execute an arbitrary script on a machine that runs “git clone --recurse-submodules” because submodule “names” are obtained from this file, and then appended to $GIT_DIR/modules, leading to directory traversal with “…/” in a name. Finally, post-checkout hooks from a submodule are executed, bypassing the intended design in which hooks are not obtained from a remote server.(CVE-2018-11235)

Affected Packages:

git

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

New Packages:

i686:  
    git-daemon-2.14.4-2.58.amzn1.i686  
    git-2.14.4-2.58.amzn1.i686  
    git-debuginfo-2.14.4-2.58.amzn1.i686  
    git-svn-2.14.4-2.58.amzn1.i686  
  
noarch:  
    git-bzr-2.14.4-2.58.amzn1.noarch  
    git-cvs-2.14.4-2.58.amzn1.noarch  
    perl-Git-SVN-2.14.4-2.58.amzn1.noarch  
    perl-Git-2.14.4-2.58.amzn1.noarch  
    git-email-2.14.4-2.58.amzn1.noarch  
    git-all-2.14.4-2.58.amzn1.noarch  
    git-hg-2.14.4-2.58.amzn1.noarch  
    emacs-git-2.14.4-2.58.amzn1.noarch  
    git-p4-2.14.4-2.58.amzn1.noarch  
    gitweb-2.14.4-2.58.amzn1.noarch  
    emacs-git-el-2.14.4-2.58.amzn1.noarch  
  
src:  
    git-2.14.4-2.58.amzn1.src  
  
x86_64:  
    git-2.14.4-2.58.amzn1.x86_64  
    git-daemon-2.14.4-2.58.amzn1.x86_64  
    git-svn-2.14.4-2.58.amzn1.x86_64  
    git-debuginfo-2.14.4-2.58.amzn1.x86_64  

Additional References

Red Hat: CVE-2018-11233, CVE-2018-11235

Mitre: CVE-2018-11233, CVE-2018-11235

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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

0.009 Low

EPSS

Percentile

82.0%