Security Bulletin: IBM Flex System Manager (FSM) is affected by multiple tcpdump vulnerabilities

Summary

Multiple security vulnerabilities have been identified in tcpdump that is embedded in IBM FSM. This bulletin addresses these issues.

Vulnerability Details

CVEID: CVE-2016-7923**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the ARP parser in the print-arp.c:arp_print() function. By sending an overly long 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/121550 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-2016-7926**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the Ethernet parser in the print-ether.c:ethertype_print() function. By sending an overly long 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/121553 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-2016-7927**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the IEEE 802.11 parser in the print-802_11.c:ieee802_11_radio_print() function. By sending an overly long 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/121554 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-2016-7928**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the IPComp parser in the print-ipcomp.c:ipcomp_print() function. By sending an overly long 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/121555 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-2016-7934**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the RTCP parser in the print-udp.c:rtcp_print() function. By sending an overly long 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/121561 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-2016-7935**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the RTP parser in the print-udp.c:rtp_print() function. By sending an overly long 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/121562 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-2016-7936**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the UDP parser in the print-udp.c:udp_print() function. By sending an overly long 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/121563 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-2016-7974**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the IP parser in the print-ip.c and other functions. By sending an overly long 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/121569 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-2016-7975**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the TCP parser in the print-tcp.c:tcp_print() function. By sending an overly long 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/121570 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-2016-7993**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by multiple parsers in the util-print.c:relts_print() function. By sending an overly long 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/121576 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-2017-5204**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the IPv6 parser in the print-ip6.c:ip6_print() function. By sending an overly long 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/121581 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-2017-5483**
DESCRIPTION:** tcpdump is vulnerable to a buffer overflow, caused by improper bounds checking by the SNMP parser in the print-snmp.c:asn1_parse() function. By sending an overly long 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/121586 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)

Affected Products and Versions

Flex System Manager 1.3.4.0
Flex System Manager 1.3.3.0
Flex System Manager 1.3.2.1
Flex System Manager 1.3.2.0

Remediation/Fixes

IBM recommends updating the FSM using the instructions referenced in this table.

WARNING: If an early version (fix downloaded before 4/19/2017) of the fix listed below was installed, the brand information on the FSM login screen will be displayed as “IBM Systems Director”. This branding issue will not cause any functional FSM issues. The correct FSM branding can be restored by downloading the current version of the fix (Release Date of the fix listed in table is 4/26/2017 or later), reinstalling the current version of the fix and restarting the FSM.

Product |

VRMF |

Remediation
—|—|—

Flex System Manager |

1.3.4.0 | Install fsmfix1.3.4.0_IT19321_IT19679_IT19695_IT19698_IT19709_IT19811

Flex System Manager |

1.3.3.0 | Install fsmfix1.3.3.0_IT19321_IT19679_IT19695_IT19698_IT19709_IT19811

Flex System Manager |

1.3.2.1
1.3.2.0 | Install fsmfix1.3.2.0_IT19321_IT19679_IT19695_IT19698_IT19709_IT19811

For all VRMF not listed in this table, IBM recommends upgrading to a fixed and supported version/release of the product.

For a complete list of FSM security bulletins refer to this technote: http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex--NULL--E

Workarounds and Mitigations

None