CVE-2021-27247CWE-125

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Tencent WeChat 2.9.5 desktop version

Medium · published April 14, 2021

CVSS v3.0
6.5
EPSS
6%
Percentile
93.7
In the wild
Unconfirmed
What it is

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Tencent WeChat 2.9.5 desktop version. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the WXAM decoder. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-11907.

The record
Technical detail
CVSS v3.0
6.5 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.06447 · 93.7th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2021-04-14T15:45Z
EPSS history
Timeline
  • 14 APR 15:45Z
    This vulnerability allows remote attackers to disclose sensitive information on affected installations of Tencent WeChat 2.9.5 desktop version
    cvelistv5