Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and Professional 4.8.1356.0 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via crafted arguments to IOCTL 0x80002024
Published Nov 23, 2009
7.2
HIGHCVSS 2.0
EPSS 1.10%
Description
Heap-based buffer overflow in aswRdr.sys (aka the TDI RDR driver) in avast! Home and Professional 4.8.1356.0 allows local users to cause a denial of service (memory corruption) or possibly gain privileges via crafted arguments to IOCTL 0x80002024.
Affected products
No data.
- 4.8.1356.0
- 4.8.1356.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.10% (0.01096) | 64.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.10% (0.01096) | 61.12th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.30% (0.00297) | 50.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00043) | 11.61th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00043) | 9.93th | v3 (v2023.03.01) |
| Jul 17, 2023 | 0.04% (0.00043) | 7.90th | v3 (v2023.03.01) |
| Apr 21, 2023 | 0.06% (0.00059) | 22.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00051) | 17.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.34% (0.02339) | 81.42th | v2 (v2022.01.01) |
| Jul 10, 2022 | 2.34% (0.02339) | 80.20th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.92% (0.01924) | 76.07th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.92% (0.01924) | 55.23th | v2 (v2022.01.01) |
References (6)
- http://secunia.com/advisories/37368 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.efblog.net/2009/11/avast-aswrdrsys-kernel-pool-corruption.html x_refsource_MISC
- http://www.securityfocus.com/archive/1/507891/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/37031 vdb-entryx_refsource_BIDExploit
- http://www.vupen.com/english/advisories/2009/3266 vdb-entryx_refsource_VUPENVendor Advisory
- https://www.evilfingers.com/advisory/Advisory/Avast_aswRdr_sys_Kernel_Pool_Corruption_and_Local_Privilege_Escalation.php x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/37368 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.efblog.net/2009/11/avast-aswrdrsys-kernel-pool-corruption.html | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/507891/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/37031 | vdb-entryx_refsource_BIDExploit | |
| http://www.vupen.com/english/advisories/2009/3266 | vdb-entryx_refsource_VUPENVendor Advisory | |
| https://www.evilfingers.com/advisory/Advisory/Avast_aswRdr_sys_Kernel_Pool_Corruption_and_Local_Privilege_Escalation.php | x_refsource_MISC |
Change history (0)
No recorded changes yet.