01 Record
CVE-2009-4049
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
UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.09% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 65.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-11-23 17:00Z16 YR AGO
- Last updated
- 2024-08-07 06:45Z2 YR AGO
- Reserved
- 2009-11-23
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.1
- Document digest
- ffccecf622b805c096a3ba1fe665a7efbfc4643e458b457138aa8a158cd8f953
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.securityfocus.com37031http://www.securityfocus.com/bid/37031
- www.vupen.comADV-2009-3266http://www.vupen.com/english/advisories/2009/3266
- secunia.com37368http://secunia.com/advisories/37368
- www.efblog.nethttp://www.efblog.net/2009/11/avast-aswrdrsys-kernel-pool-corruption.html
- www.securityfocus.com20091114 Avast aswRdr.sys Kernel Pool Corruption and Local Privilege Escalationhttp://www.securityfocus.com/archive/1/507891/100/0/threaded
- www.evilfingers.comhttps://www.evilfingers.com/advisory/Advisory/Avast_aswRdr_sys_Kernel_Pool_Corruption_and_Local_Privilege_Escalation.php