Security Bulletin: Multiple Security Vulnerabilties have been fixed in the IBM Security Access Manager and IBM Security Verify Access appliances.

Summary

Multiple Security Vulnerabilities have been fixed in both the IBM Security Access Manager and IBM Security Verify Access appliances.

Vulnerability Details

CVEID:CVE-2019-17498
**DESCRIPTION:**libssh2 is vulnerable to a denial of service, caused by an out-of-bounds read when connecting to a malicious SSH server that sends a disconnect message. A remote attacker could exploit this vulnerability to cause a denial of service or obtain sensitive information.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/169461 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)

CVEID:CVE-2018-20843
**DESCRIPTION:**libexpat is vulnerable to a denial of service, caused by an error in the XML parser. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to consume all available CPU resources.
CVSS Base score: 3.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/163073 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID:CVE-2019-15903
**DESCRIPTION:**libexpat is vulnerable to a denial of service, caused by a heap-based buffer over-read in XML_GetCurrentLineNumber. By using a specially-crafted XML input, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/166560 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:CVE-2017-12652
**DESCRIPTION:**An unspecified error with improper validation of length of chunks against the user limit in libpng has an unknown impact and attack vector.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/163589 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2019-14834
**DESCRIPTION:**dnsmasq is vulnerable to a denial of service, caused by a memory leak in the create_helper() function in /src/helper.c. By sending a specially crafted request, a remote attacker could exploit this vulnerability to cause the service to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/174256 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2019-5482
**DESCRIPTION:**cURL libcurl is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the tftp_receive_packet function. By sending specially-crafted request containing an OACK without the BLKSIZE option, a remote attacker could overflow a buffer and execute arbitrary code on the system.
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/166942 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

Affected Product
| Fixed VRMF
| APAR
| Fix Availability

—|—|—|—
IBM Security Access Manager
| 9.0.7.2 IF1
| IJ30635| interim fix: 9.0.7.2-ISS-ISAM-IF0001
IBM Security Verify Access
| 10.0.2.0 IF1
| IJ30635
| interim fix: 10.0.1.0-ISS-ISVA-IF0001

Workarounds and Mitigations

None