Avg Antivirus

avg7core.sys 7.5.0.444 in Grisoft AVG Anti-Virus 7.5.448 and Free Edition 7.5.446, provides an internal function that copies data to an arbitrary address, which allows local users to gain privileges via arbitrary address arguments to a function provided by the 0x5348E004 IOCTL for the generic DeviceIoControl handler.Show less

Grisoft AVG Anti-Virus before 7.1.407 allows remote attackers to cause a denial of service (crash) via a crafted DOC file that triggers a divide-by-zero error. NOTE: some of these details are obtained from third party information.Show less

Multiple integer overflows in Grisoft AVG Anti-Virus before 7.1.407 allow remote attackers to execute arbitrary code via crafted (1) CAB or (2) RAR archives that trigger a heap-based buffer overflow. NOTE: some of these details are obtained from third party information.Show less

Grisoft AVG Free 7.1, and other versions including 7.0.308, sets Everyone/Full Control permissions for certain update files including (1) upd_vers.cfg, (2) incavi.avm, and (3) unspecified drivers, which might allow local users to gain privileges.Show less

Multiple interpretation error in AVG 7 7.0.323 allows remote attackers to bypass virus scanning via a file such as BAT, HTML, and EML with an "MZ" magic byte sequence which is normally associated with EXE, which causes the file to be treated as a safe type that could still be executed as a dangerous file type by applications on the end system, as demonstrated by a "triple headed" program that contains EXE, EML, and HTML content, aka the "magic byte bug."Show less

Multiple interpretation error in unspecified versions of Grisoft AVG Antivirus allows remote attackers to bypass virus detection via a malicious executable in a specially crafted RAR file with malformed central and local headers, which can still be opened by products such as Winrar and PowerZip, even though they are rejected as corrupted by Winzip and BitZipper.Show less