Integer Overflow Vulnerability in BlackBerry QNX Software Development Platform and Medical OS
CVE-2021-22156

9.8CRITICAL

Key Information:

Vendor

Blackberry

Status
Blackberry Qnx Software Development Platform (sdp), Qnx Os For Medical And Qnx Os For Safety
Vendor
CVE Published:
17 August 2021

What is CVE-2021-22156?

The integer overflow vulnerability in the calloc() function of the C runtime library in affected versions of BlackBerry QNX Software Development Platform can allow remote attackers to exploit the flaw. This could potentially lead to a denial of service or unauthorized execution of arbitrary code, compromising the integrity and availability of the system.

Affected Version(s)

BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety QNX SDP 6.5.0 SP1 and earlier

BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety QNX OS for Medical 1.1 and earlier

BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety QNX OS for Safety 1.0.1 and earlier

References

https://support.blackberry.com/kb/articleDetail?articleNu...
x_refsource_MISC
https://tools.cisco.com/security/center/content/CiscoSecu...
vendor-advisoryx_refsource_CISCO

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.