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amazonAmazonALAS-2017-883
HistoryAug 31, 2017 - 4:11 p.m.

Important: subversion, mod_dav_svn

2017-08-3116:11:00
alas.aws.amazon.com
52

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.129 Low

EPSS

Percentile

95.4%

Issue Overview:

Command injection through clients via malicious svn+ssh URLs
A shell command injection flaw related to the handling of “svn+ssh” URLs has been discovered in Subversion. An attacker could use this flaw to execute shell commands with the privileges of the user running the Subversion client, for example when performing a “checkout” or “update” action on a malicious repository, or a legitimate repository containing a malicious commit. (CVE-2017-9800)

Affected Packages:

subversion, mod_dav_svn

Issue Correction:
Run yum update subversion to update your system.
Run yum update mod_dav_svn to update your system.

New Packages:

i686:  
    mod_dav_svn-1.9.7-1.54.amzn1.i686  
    mod_dav_svn-debuginfo-1.9.7-1.54.amzn1.i686  
    subversion-tools-1.9.7-1.58.amzn1.i686  
    subversion-libs-1.9.7-1.58.amzn1.i686  
    subversion-devel-1.9.7-1.58.amzn1.i686  
    subversion-python27-1.9.7-1.58.amzn1.i686  
    subversion-perl-1.9.7-1.58.amzn1.i686  
    subversion-debuginfo-1.9.7-1.58.amzn1.i686  
    subversion-1.9.7-1.58.amzn1.i686  
    subversion-javahl-1.9.7-1.58.amzn1.i686  
    mod24_dav_svn-1.9.7-1.58.amzn1.i686  
    subversion-ruby-1.9.7-1.58.amzn1.i686  
    subversion-python26-1.9.7-1.58.amzn1.i686  
  
src:  
    mod_dav_svn-1.9.7-1.54.amzn1.src  
    subversion-1.9.7-1.58.amzn1.src  
  
x86_64:  
    mod_dav_svn-1.9.7-1.54.amzn1.x86_64  
    mod_dav_svn-debuginfo-1.9.7-1.54.amzn1.x86_64  
    subversion-tools-1.9.7-1.58.amzn1.x86_64  
    subversion-1.9.7-1.58.amzn1.x86_64  
    subversion-ruby-1.9.7-1.58.amzn1.x86_64  
    subversion-python27-1.9.7-1.58.amzn1.x86_64  
    mod24_dav_svn-1.9.7-1.58.amzn1.x86_64  
    subversion-perl-1.9.7-1.58.amzn1.x86_64  
    subversion-libs-1.9.7-1.58.amzn1.x86_64  
    subversion-javahl-1.9.7-1.58.amzn1.x86_64  
    subversion-python26-1.9.7-1.58.amzn1.x86_64  
    subversion-devel-1.9.7-1.58.amzn1.x86_64  
    subversion-debuginfo-1.9.7-1.58.amzn1.x86_64  

Additional References

Red Hat: CVE-2017-9800

Mitre: CVE-2017-9800

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

7.5 High

CVSS2

Access Vector

NETWORK

Access 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

0.129 Low

EPSS

Percentile

95.4%