Security Bulletin: IBM Dynamic System Analysis (DSA) Preboot is affected by vulnerabilities in GNU C Library (CVE-2017-15804 CVE-2017-15670 CVE-2015-5180)

CVEID: CVE-2017-15804
DESCRIPTION: GNU C Library (aka glibc or libc6) is vulnerable to a buffer overflow, caused by improper bounds checking by glob function in glob.c. By using a specially-crafted file, a local attacker could overflow a buffer.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/133996 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2017-15670
DESCRIPTION: GNU C Library is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the glob function in glob.c. By sending a specially-crafted string, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/133915 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-2015-5180
DESCRIPTION: glibc is vulnerable to a denial of service, caused by a NULL pointer dereference in the res_query function in libresolv. By using a malformed pattern, a remote attacker could cause the process to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/130620 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)