漏洞信息
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Vulnerability Title
NanaZip: Heap out-of-bounds read in NanaZip AVB property descriptor parser via unsigned integer underflow
Vulnerability Description
NanaZip is the 7-Zip derivative intended for the modern Windows experience. From version 3.0.1000.0 to before version 6.0.1698.0, a heap out-of-bounds read exists in the Android Verified Boot (AVB) vbmeta image parser in NanaZip (via the upstream 7-Zip AvbHandler). An unsigned integer underflow in a bounds check allows an attacker-controlled value_num_bytes field to pass validation, causing AddNameToString to read up to ~4 GiB past the end of a 64 KiB heap buffer. This causes a deterministic crash (denial of service) when opening a crafted .avb or .img file. This issue has been patched in stable version 6.0.1698.0 and preview version 6.5.1742.0.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
Vulnerability Type
跨界内存读
Vulnerability Title
M2Team NanaZip 缓冲区错误漏洞
Vulnerability Description
m2team nanazip是m2team团队开源的一个压缩软件。 M2Team NanaZip 3.0.1000.0版本至6.0.1698.0之前版本存在安全漏洞,该漏洞源于Android Verified Boot(AVB)vbmeta image parser中的堆越界读取和边界检查中的整数下溢,可能导致攻击者控制的value_num_bytes字段通过验证,在打开特制.avb或.img文件时造成确定性崩溃(拒绝服务)。
CVSS Information
N/A
Vulnerability Type
N/A