CVE-2021-33929: Buffer Overflow
First published: Sun Dec 13 2020(Updated: )
Libsolv is vulnerable to a denial of service, caused by a heap-based buffer overflow in the pool_disabled_solvable in src/repo.h. 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 | <0:0.7.16-3.el8_4 | 0:0.7.16-3.el8_4 |
| redhat/libsolv | <0:0.7.22-1.el7 | 0:0.7.22-1.el7 |
| redhat/libsolv | <0:0.7.22-1.el8 | 0:0.7.22-1.el8 |
| 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/208665
- 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=2000704
- https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec
- https://access.redhat.com/errata/RHSA-2021:4060
- https://access.redhat.com/security/cve/cve-2021-33929
- https://access.redhat.com/errata/RHSA-2022:5498
- https://bugzilla.redhat.com/show_bug.cgi?id=2000703
- https://www.cve.org/CVERecord?id=CVE-2021-33929 https://nvd.nist.gov/vuln/detail/CVE-2021-33929
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-33929.
What is the title of the vulnerability?
The title of the vulnerability is "Buffer overflow vulnerability in function pool_disabled_solvable in src/repo.h in libsolv before 0.7...".
What is the severity of CVE-2021-33929?
The severity of CVE-2021-33929 is high.
What is the highest threat from CVE-2021-33929?
The highest threat from CVE-2021-33929 is to system availability.
What software is affected by CVE-2021-33929?
The affected software is libsolv version 0.7.16-3.el8_4, libsolv version 0.7.22-1.el7, libsolv version 0.7.22-1.el8, and 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.
How do I fix CVE-2021-33929?
To fix CVE-2021-33929, apply the appropriate patches or updates provided by the software vendors. For IBM QRadar SIEM, you can download the patches from the IBM support website.
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- version/ibm qradar siem/7.5.0 ga
- version/ibm qradar siem/7.4.3 ga - 7.4.3 fp4
- version/ibm qradar siem/7.3.3 ga - 7.3.3 fp10
- vendor/opensuse
- canonical/opensuse libsolv
- version/opensuse libsolv/0.7.17
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