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           JSA10958 - 2019-10 Security Bulletin: CTPView and CTP
        Series: Multiple vulnerabilities in CTPView and CTP Series
                              10 October 2019


        AusCERT Security Bulletin Summary

Product:           CTPView and CTP Series
Publisher:         Juniper Networks
Operating System:  Juniper
Impact/Access:     Root Compromise          -- Existing Account
                   Modify Permissions       -- Existing Account
                   Access Confidential Data -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-20685 CVE-2016-10012 CVE-2016-10011
                   CVE-2016-10010 CVE-2016-10009 CVE-2015-8325

Original Bulletin: 

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2019-10 Security Bulletin: CTPView and CTP Series: Multiple vulnerabilities in CTPView and CTP Series

Article ID:   JSA10958

Last Updated: 09 Oct 2019

Version:      3.0

Product Affected:
This issue affects CTPOS 7.3 and CTPView 7.3

CTPView and CTPOS release 7.3R6 addresses multiple vulnerabilities in the
OpenSSH libraries found in prior releases with updated open source software

This issue affects:

  o Juniper Networks CTPView and CTPOS 7.3 versions prior to 7.3R6.

No other versions of CTPView and CTPOS are affected by these vulnerabilities.

This issue was discovered during an external security research.

The resolved issues include:

     CVE            CVSS                           Summary
                              The do_setup_env function in session.c in sshd in
                              OpenSSH through 7.2p2, when the UseLogin feature
               7.8 ( CVSS:3.0 is enabled and PAM is configured to read
CVE-2015-8325  /AV:L/AC:L/    .pam_environment files in user home directories,
               PR:L/UI:N/S:U/ allows local users to gain privileges by
               C:H/I:H/A:H )  triggering a crafted environment for the /bin/
                              login program, as demonstrated by an LD_PRELOAD
                              environment variable.
               7.0 ( CVSS:3.0 sshd in OpenSSH before 7.4, when privilege
               /AV:L/AC:H/    separation is not used, creates forwarded
CVE-2016-10010 PR:L/UI:N/S:U/ Unix-domain sockets as root, which might allow
               C:H/I:H/A:H )  local users to gain privileges via unspecified
                              vectors, related to serverloop.c.
                              authfile.c in sshd in OpenSSH before 7.4 does not
               5.5 ( CVSS:3.0 properly consider the effects of realloc on
CVE-2016-10011 /AV:L/AC:L/    buffer contents, which might allow local users to
               PR:L/UI:N/S:U/ obtain sensitive private-key information by
               C:H/I:N/A:N )  leveraging access to a privilege-separated child
                              The shared memory manager (associated with
                              pre-authentication compression) in sshd in
               7.8 ( CVSS:3.0 OpenSSH before 7.4 does not ensure that a bounds
CVE-2016-10012 /AV:L/AC:L/    check is enforced by all compilers, which might
               PR:L/UI:N/S:U/ allows local users to gain privileges by
               C:H/I:H/A:H )  leveraging access to a sandboxed
                              privilege-separation process, related to the
                              m_zback and m_zlib data structures.
               7.3 ( CVSS:3.0 Untrusted search path vulnerability in
               /AV:N/AC:L/    ssh-agent.c in ssh-agent in OpenSSH before 7.4
CVE-2016-10009 PR:N/UI:N/S:U/ allows remote attackers to execute arbitrary
               C:L/I:L/A:L )  local PKCS#11 modules by leveraging control over
                              a forwarded agent-socket.
               5.3 ( CVSS:3.0 In OpenSSH 7.9, scp.c in the scp client allows
               /AV:N/AC:H/    remote SSH servers to bypass intended access
CVE-2018-20685 PR:N/UI:R/S:U/ restrictions via the filename of . or an empty
               C:N/I:H/A:N )  filename. The impact is modifying the permissions
                              of the target directory on the client side.


These vulnerabilities are resolved in CTPView and CTPOS 7.3R6 and all
subsequent releases.

This issue is being tracked as PR 1438378 and 1455669 which are visible on the
Customer Support website.

Note: Juniper SIRT's policy is not to evaluate releases which are beyond End of
Engineering (EOE) or End of Life (EOL).

Use access lists or firewalls to limit access to the device only from trusted
Software Releases, patches and updates are available at https://www.juniper.net
/support/downloads/ .

Modification History:
2019-10-09: Initial Publication.
Related Links:

  o KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin
    Publication Process

  o KB16765: In which releases are vulnerabilities fixed

  o KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security

  o Report a Security Vulnerability - How to Contact the Juniper Networks
    Security Incident Response Team

  o CVE-2015-8325 at cve.mitre.org

  o CVE-2016-10010 at cve.mitre.org

  o CVE-2016-10011 at cve.mitre.org

  o CVE-2016-10012 at cve.mitre.org

  o CVE-2016-10009 at cve.mitre.org

  o CVE-2018-20685 at cve.mitre.org

CVSS Score:
6.6 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Risk Level:

Risk Assessment:
Information for how Juniper Networks uses CVSS can be found at KB 16446 "Common
Vulnerability Scoring System (CVSS) and Juniper's Security Advisories."

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