Security Bulletin: Vulnerabilities in tcpdump affect IBM Chassis Management Module (CMM)

Vulnerability Details

Summary

IBM Chassis Management Module (CMM) has addressed the following vulnerabilities in tcpdump.

Vulnerability Details

CVEID: CVE-2017-13011

Description: tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the bittok2str_internal component. By sending an overly long string argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.

CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/131781 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-11543

Description: tcpdump is vulnerable to a denial of service, caused by a buffer overflow in the sliplink_print function in print-sl.c. An attacker could exploit this vulnerability to cause the application to crash.

CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/129254 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-11542

Description: tcpdump is vulnerable to a denial of service, caused by a heap-based buffer over-read in the pimv1_print function in print-pim.c. An attacker could exploit this vulnerability to cause the application to crash.

CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/129253 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-11541

Description: tcpdump is vulnerable to a denial of service, caused by a heap-based buffer over-read in the lldp_print function in print-lldp.c. An attacker could exploit this vulnerability to cause the application to crash.

CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/129252 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID: CVE-2017-11108

Description: tcpdump is vulnerable to a denial of service, caused by a heap-based buffer over-read EXTRACT_16BITS function. By using a specially-crafted packet data, a remote attacker could exploit this vulnerability to cause the application to crash.

CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/129143 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

Firmware fix versions are available on Fix Central:
http://www.ibm.com/support/fixcentral/.

Workaround(s) & Mitigation(s)

None

References

• Complete CVSS v3 Guide
• On-line Calculator v3

Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories

Acknowledgement

None

Change History
22 March 2018: Original Copy Published

* The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.