Multiple Avira products IOCTL requests privilege escalation
| avira-ioctl-privilege-escalation (46567) |  High Risk |
Description:
Multiple Avira products could allow a local attacker to gain elevated privileges on the system, caused by improper validation of user-supplied input by an unspecified driver. By sending a specially-crafted IOCTL request, a local attacker could exploit this vulnerability to overwrite a kernel pointer and execute arbitrary code on the system with SYSTEM level privileges.
*CVSS:
| Base Score: | 7.2 |
| Access Vector: | Local |
| Access Complexity: | Low |
| Authentication: | None |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 5.3 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Privileges
Remedy:
Avira AntiVir has issued a fix which is included in the regular automatic update, available to all Avira AntiVir users. See References.
References:
- Avira Web site: Avira.
- FrSIRT Security Advisory - Nov 12, 2008 : Avira Products Driver Local Kernel Pointer Overwrite Vulnerability .
- BID-32269: Multiple Avira Products Driver IOCTL Request Local Buffer Overflow Vulnerabilty
- CVE-2008-6962: Avira AntiVir Premium, Premium Security Suite, AntiVir Professional, and AntiVir Personal - FREE allows local users to execute arbitrary code via a crafted IOCTL request that overwrites a kernel pointer.
- VUPEN/ADV-2008-3130: Avira Products Pointer Overwrite and Process Creation Vulnerabilities
Platforms Affected:
- Avira AntiVir 6.35.00.00
- Avira AntiVir build 228 PersonalEdition Premium
- Avira AntiVir Personal
- Avira AntiVir Professional
- Avira AntiVir build 180 PersonalEdition Classic
- Avira AntiVir Premium
- Avira Premium Security Suite
Reported:
Nov 12, 2008
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