CVE-2020-25650
Quick assessment
Affected
n/a spice-vdagent
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.
SPICE vdagent是个人开发者的一个远程连接软件的 Linux 客户端。 SPICE vdagent 中存在安全漏洞。该漏洞源于SPICE vdagent错误地处理了active_xfers哈希表。本地攻击者可能会利用此漏洞导致SPICE vdagent占用内存，从而导致拒绝服务。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-25650
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the way the spice-vdagentd daemon handled file transfers from the host system to the virtual machine. Any unprivileged local guest user with access to the UNIX domain socket path `/run/spice-vdagentd/spice-vdagent-sock` could use this flaw to perform a memory denial of service for spice-vdagentd or even other processes in the VM system. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and previous versions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
SPICE vdagent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SPICE vdagent是个人开发者的一个远程连接软件的 Linux 客户端。 SPICE vdagent 中存在安全漏洞。该漏洞源于SPICE vdagent错误地处理了active_xfers哈希表。本地攻击者可能会利用此漏洞导致SPICE vdagent占用内存，从而导致拒绝服务。
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 |
|---|---|---|---|---|
| - | spice-vdagent | spice-vdagent versions prior and including 0.20 | - |
|
II. Public POCs for CVE-2020-25650
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-25650 (1)
-
https://bugzilla.redhat.com/show_bug.cgi?id=1886345 x_refsource_MISC
Mailing List Discussions for CVE-2020-25650 (3)
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https://www.openwall.com/lists/oss-security/2020/11/04/1 x_refsource_MISC
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/ vendor-advisory x_refsource_FEDORA
-
Same Patch Batch · n/a · 2020-11-25 · 5 CVEs total
| CVE-2020-29074 | Libvnc X11vnc 安全漏洞 | |
| CVE-2020-29070 | osCommerce 跨站脚本漏洞 | |
| CVE-2020-29071 | Liquidfiles 跨站脚本漏洞 | |
| CVE-2020-29072 | Liquidfiles 跨站脚本漏洞 |
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V. Comments for CVE-2020-25650
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