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AUSCERT External Security Bulletin Redistribution
ESB-2019.0094
2019-01 Security Bulletin - Multiple vulnerabilities have
been identified in Junos
10 January 2019
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Juniper Junos OS
Publisher: Juniper Networks
Operating System: Juniper
Impact/Access: Denial of Service -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-0003 CVE-2015-1283
Reference: ASB-2016.0120
ASB-2016.0103
ASB-2015.0073
ESB-2015.1959
ESB-2015.1957
ESB-2015.1954
Original Bulletin:
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10902
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10904
Comment: This bulletin contains two (2) Juniper Networks security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
2019-01 Security Bulletin: Junos OS: A flowspec BGP update with a specific
term-order causes routing protocol daemon (rpd) process to crash with a core.
(CVE-2019-0003)
[JSA10902]
Product Affected:
This issue affects Junos OS 12.1X46, 12.3, 12.3X48, 14.1X53, 15.1, 15.1F,
15.1X49, 15.1X53.
Problem:
When a specific BGP flowspec configuration is enabled and upon receipt of a
specific matching BGP packet meeting a specific term in the flowspec
configuration, a reachable assertion failure occurs, causing the routing
protocol daemon (rpd) process to crash with a core file being generated.
Affected releases are Juniper Networks Junos OS:
12.1X46 versions prior to 12.1X46-D77 on SRX Series;
12.3 versions prior to 12.3R12-S10;
12.3X48 versions prior to 12.3X48-D70 on SRX Series;
14.1X53 versions prior to 14.1X53-D47 on EX2200/VC, EX3200, EX3300/VC, EX4200,
EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100;
15.1 versions prior to 15.1R3;
15.1F versions prior to 15.1F3;
15.1X49 versions prior to 15.1X49-D140 on SRX Series;
15.1X53 versions prior to 15.1X53-D59 on EX2300/EX3400.
The following maximal parent* configuration is required:
set protocols bgp group [FLOWSPEC]
and
set policy-options policy-statement
set routing-options flow term-order
Specific child* relationship configuration details vary by implementation
which may introduce this vulnerability.
*"parent" and "child" as in a parent-child tree structure relationship within
the CLI.
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
This issue was seen during production usage.
This issue has been assigned CVE-2019-0003.
Solution:
The following software releases have been updated to resolve this specific
issue: 12.1X46-D77, 12.3R12-S10, 12.3X48-D70, 14.1X53-D47, 15.1F3, 15.1R3,
15.1X49-D140, 15.1X53-D59, 16.1R1 and all subsequent releases.
This issue is being tracked as PR 1116761 which is 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).
Workaround:
Disable BGP flowspec.
There are no other available workarounds for this issue.
Implementation:
Software Releases, patches and updates are available at
https://www.juniper.net/support/downloads/.
Modification History:
2019-01-09: Initial Publication.
Related Links:
KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin
Publication Process
KB16765: In which releases are vulnerabilities fixed?
KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security
Advisories
Report a Security Vulnerability - How to Contact the Juniper Networks
Security Incident Response Team
CVE-2019-0003 at cve.mitre.org
CVSS Score:
7.5 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Risk Level:
High
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."
- ---
2019-01 Security Bulletin: Junos OS: FreeBSD-SA-15:20.expat : Multiple integer
overflows in expat (libbsdxml) XML parser (CVE-2015-1283)
[JSA10904]
Product Affected:
This issue affects Junos OS 12.3, 12.3X48, 14.1X53, 15.1, 15.1F, 15.1X49,
15.1X53, 16.1.
Problem:
A numeric error vulnerability exists in the expat XML processing library of
Juniper Networks Junos OS which allows a remote unauthenticated attacker to
cause an Out of Memory (OoM) or buffer overflow Denial of Service (DoS)
condition, potentially with other possible unspecified impacts, through crafted
XML data input.
Affected releases are Juniper Networks Junos OS:
12.3 versions prior to 12.3R12-S12;
12.3X48 versions prior to 12.3X48-D76, 12.3X48-D80 on SRX Series;
14.1X53 versions prior to 14.1X53-D48 on EX2200/VC, EX3200, EX3300/VC, EX4200,
EX4300, EX4550/VC, EX4600, EX6200, EX8200/VC (XRE), QFX3500, QFX3600, QFX5100;
15.1 versions prior to 15.1R5;
15.1X49 versions prior to 15.1X49-D151, 15.1X49-D160 on SRX Series;
15.1F versions prior to 15.1F6-S12;
15.1X53 versions above 15.1X53-D10 on EX2300, EX3400;
16.1 versions prior to 16.1R2.
Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
Juniper SIRT is aware of a working proof of concept of this vulnerability.
This issue was discovered during an external security research.
This issue has been assigned CVE-2015-1283.
Solution:
The following software releases have been updated to resolve this specific
issue: 12.3R12-S12, 12.3X48-D76, 12.3X48-D80, 14.1X53-D48, 15.1R5,
15.1X49-D151, 15.1X49-D160, 15.1F6-S12,16.1R2, 16.2R1, and all subsequent
releases.
This issue is being tracked as PR 1188681 which is 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).
Workaround:
There are no viable workarounds for this issue.
To reduce the risk of exploitation customer may:
Disallow XML scripts to process from untrusted sources.
Implementation:
Software Releases, patches and updates are available at
https://www.juniper.net/support/downloads/.
Modification History:
2019-01-09: Initial Publication.
Related Links:
KB16613: Overview of the Juniper Networks SIRT Quarterly Security Bulletin
Publication Process
KB16765: In which releases are vulnerabilities fixed?
KB16446: Common Vulnerability Scoring System (CVSS) and Juniper's Security
Advisories
Report a Security Vulnerability - How to Contact the Juniper Networks
Security Incident Response Team
CVE-2015-1283 at cve.mitre.org
https://www.freebsd.org/security/advisories/FreeBSD-SA-15:20.expat.asc
CVSS Score:
7.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Risk Level:
High
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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