CVE-2021-33560: High severity ibm security qradar vulnerability
GnuPG Libgcrypt could allow a remote attacker to obtain sensitive information, caused by improper handling of ElGamal encryption. By using side-channel attack techniques against mpipowm, and the window size, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
Other sources
Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpipowm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.
Affected Software
Remediation
Patch Available
Patch Available
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-33560.
What is the severity of CVE-2021-33560?
The severity of CVE-2021-33560 is medium with a score of 5.9.
Which software is affected by CVE-2021-33560?
The IBM QRadar SIEM versions 7.5.0 GA, 7.4.3 GA - 7.4.3 FP4, and 7.3.3 GA - 7.3.3 FP10 are affected by CVE-2021-33560.
How can I fix CVE-2021-33560?
You can fix CVE-2021-33560 by applying the appropriate patches provided by IBM for the affected IBM QRadar SIEM versions.
Where can I find more information about CVE-2021-33560?
You can find more information about CVE-2021-33560 on IBM's X-Force Exchange and IBM's support website.