CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
77.8%
IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter Systems has addressed the following vulnerabilities in Ncurses.
Summary
IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter Systems has addressed the following vulnerabilities in Ncurses.
Vulnerability Details
CVEID: CVE-2017-13731
Description: Ncurses is vulnerable to a denial of service, caused by an illegal address access in the postprocess_termcap function in parse_entry.c. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/131059> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-13730
Description: Ncurses is vulnerable to a denial of service, caused by an illegal address access in the _nc_read_entry_source function in progs/tic.c. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/131057> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-16879
Description: Ncurses is vulnerable to a denial of service, caused by stack-based buffer overflow in the _nc_write_entry function in tinfo/write_entry.c. By persuading a victim to open a specially crafted terminfo file, an remote attacker could exploit this vulnerability to cause the application to crash or possibly execute arbitrary code.
CVSS Base Score: 4.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/135309> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-13733
Description: Ncurses is vulnerable to a denial of service, caused by an illegal address access in the fmt_entry function in progs/dump_entry.c. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/131061> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-13732
Description: Ncurses is vulnerable to a denial of service, caused by an illegal address access in the dump_uses function in progs/dump_entry.c. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/131060> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-13729
Description: Ncurses is vulnerable to a denial of service, caused by an illegal address access in the _nc_save_str function in alloc_entry.c. By using a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 3.3
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/31056> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
CVEID: CVE-2017-13728
Description: GNU ncurses is vulnerable to a denial of service, caused by an error in the next_char function in comp_scan.c. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base Score: 5.5
CVSS Temporal Score: See <https://exchange.xforce.ibmcloud.com/vulnerabilities/131172> for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
Affected Products and Versions
Product | Affected Version |
---|---|
IBM Integrated Management Module II (IMM2) for System x and Flex Systems | 1AOO |
IBM Integrated Management Module II (IMM2) for BladeCenter Systems | 1AOO |
Remediation/Fixes
Firmware fix versions are available on Fix Central:
<http://www.ibm.com/support/fixcentral/>.
It is recommended to update to the firmware level listed below, or a later version.
Product | Fix Version |
---|---|
IBM Integrated Management Module II (IMM2) for System x and Flex Systems | |
(ibm_fw_imm2_1aoo82e-6.60_anyos_noarch) | 1AOO82E-6.60 |
IBM Integrated Management Module II (IMM2) for BladeCenter Systems | |
(ibm_fw_imm2_1aoo82e-6.60-bc_anyos_noarch) | 1AOO82E-6.60-bc |
Workarounds and Mitigations
None
References
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
Lenovo Product Security Advisories
Acknowledgement
None
Change History
19 March 2018: Original Copy Published
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.
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
77.8%