Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-3545

Quick assessment

Affected
n/a QEMU
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 存在信息泄露漏洞。该漏洞源于vhost-user-gpu/virgl.c中的virgl_cmd_get_capset_info()函数存在未初始化存储器泄露，攻击者可利用该漏洞获取敏感信息。以下产品及版本受到影响：QEMU: 4.1.0, 4.1.1, 4.2.0, 4.2.1, 5.0.0, 5.0.1, 5.1.0, 5.2.0, 6

AI Predicted 8.8 Difficulty: Easy EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-3545

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对未经初始化资源的使用
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 存在信息泄露漏洞。该漏洞源于vhost-user-gpu/virgl.c中的virgl_cmd_get_capset_info()函数存在未初始化存储器泄露，攻击者可利用该漏洞获取敏感信息。以下产品及版本受到影响：QEMU: 4.1.0, 4.1.1, 4.2.0, 4.2.1, 5.0.0, 5.0.1, 5.1.0, 5.2.0, 6
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- QEMU All QEMU versions up to and including 6.0 -

II. Public POCs for CVE-2021-3545

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-3545

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-3545 (4)

Mailing List Discussions for CVE-2021-3545 (1)

Same Patch Batch · n/a · 2021-06-02 · 54 CVEs total

CVE-2021-31921 Istio 授权问题漏洞
CVE-2020-35441 Fangfa FDCMS SQL注入漏洞
CVE-2015-1877 Freedesktop Xdg-utils 命令注入漏洞
CVE-2020-22054 FFmpeg 安全漏洞
CVE-2020-25362 Sourcecodester Online Shopping Alphaware SQL注入漏洞
CVE-2020-24862 Sourcecodester Medical Store Point SQL注入漏洞
CVE-2020-22056 FFmpeg 安全漏洞
CVE-2021-3499 OVN Kubernetes 安全漏洞
CVE-2020-22049 FFmpeg 资源管理错误漏洞
CVE-2020-22048 FFmpeg 资源管理错误漏洞
CVE-2020-6950 Oracle Fusion Middleware 路径遍历漏洞
CVE-2020-24870 Libraw 缓冲区错误漏洞
CVE-2020-27661 QEMU 数字错误漏洞
CVE-2021-28677 Pillow 输入验证错误漏洞
CVE-2021-28678 Pillow 数据伪造问题漏洞
CVE-2021-25288 Pillow 缓冲区错误漏洞
CVE-2021-25287 Pillow 缓冲区错误漏洞
CVE-2020-22046 FFmpeg 安全漏洞
CVE-2021-3468 Avahi 安全漏洞
CVE-2021-3522 GStreamer 缓冲区错误漏洞

Showing top 20 of 54 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: QEMU
Same vendor: n/a
Same weakness: CWE-908

V. Comments for CVE-2021-3545

No comments yet

Leave a comment