CVE-2021-33930: 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_whatprovides 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 |
|---|---|---|
| Opensuse Libsolv | <=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 |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/208664
- 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=2000706
- https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec
- https://access.redhat.com/errata/RHSA-2021:4060
- https://access.redhat.com/security/cve/cve-2021-33930
- https://access.redhat.com/errata/RHSA-2022:5498
- https://bugzilla.redhat.com/show_bug.cgi?id=2000705
Frequently Asked Questions
What is CVE-2021-33930?
CVE-2021-33930 is a vulnerability in Libsolv that can be exploited by a remote attacker to cause a denial of service.
What is the severity of CVE-2021-33930?
The severity of CVE-2021-33930 is medium, with a severity value of 5.3.
Which software is affected by CVE-2021-33930?
Libsolv version up to exclusive 0.7.17, 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-2021-33930.
How can I fix CVE-2021-33930?
To fix CVE-2021-33930, update Libsolv to version 0.7.17 or apply the respective patches for the affected IBM QRadar SIEM versions.
Where can I find more information about CVE-2021-33930?
More information about CVE-2021-33930 can be found in the references provided: [GitHub Issue](https://github.com/openSUSE/libsolv/issues/417), [Red Hat Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=2000706), [GitHub Commit](https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec).
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- version/ibm qradar siem/7.4.3 ga - 7.4.3 fp4
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