CVE-2021-33928: Buffer Overflow
First published: Thu Sep 02 2021(Updated: )
Libsolv is vulnerable to a denial of service, caused by a heap-based buffer overflow in the pool_installable in src/repo.h function. A remote attacker could exploit this vulnerability to cause a denial of service.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libsolv | <0.7.17 | 0.7.17 |
| IBM QRadar SIEM | <=7.5.0 GA | |
| IBM QRadar SIEM | <=7.4.3 GA - 7.4.3 FP4 | |
| IBM QRadar SIEM | <=7.3.3 GA - 7.3.3 FP10 | |
| openSUSE libsolv | <=0.7.17 |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/208702
- https://www.ibm.com/support/pages/node/6574787 (Advisory)
- https://github.com/openSUSE/libsolv/issues/417
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2000700
- https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec
- https://access.redhat.com/errata/RHSA-2021:4060
- https://access.redhat.com/security/cve/cve-2021-33928
- https://access.redhat.com/errata/RHSA-2022:5498
- https://bugzilla.redhat.com/show_bug.cgi?id=2000699
Frequently Asked Questions
What is CVE-2021-33928?
CVE-2021-33928 is a vulnerability in Libsolv that could be exploited by a remote attacker to cause a denial of service.
How severe is CVE-2021-33928?
CVE-2021-33928 has a severity value of 5.3, which is considered medium.
Which software is affected by CVE-2021-33928?
CVE-2021-33928 affects the following software: Libsolv 0.7.17, IBM QRadar SIEM 7.5.0 GA, IBM QRadar SIEM 7.4.3 GA - 7.4.3 FP4, and IBM QRadar SIEM 7.3.3 GA - 7.3.3 FP10.
How can I fix CVE-2021-33928 in Libsolv 0.7.17?
To fix CVE-2021-33928 in Libsolv 0.7.17, you should update to a version that includes the patch provided by the vendor.
How can I fix CVE-2021-33928 in IBM QRadar SIEM?
To fix CVE-2021-33928 in IBM QRadar SIEM, you should apply the relevant patch provided by IBM.
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- version/ibm qradar siem/7.4.3 ga - 7.4.3 fp4
- version/ibm qradar siem/7.3.3 ga - 7.3.3 fp10
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