CVE-2020-25652
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I. Basic Information for CVE-2020-25652
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and prior.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
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错误地处理了许多客户端连接。本地攻击者可能会利用此漏洞导致SPICE vdagent消耗资源，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 0.20 and prior | - |
II. Public POCs for CVE-2020-25652
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.openwall.com/lists/oss-security/2020/11/04/1x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=1886366x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-25652
Same Patch Batch · n/a · 2020-11-26 · 19 CVEs total
| CVE-2020-7778 | 7.3 HIGH | Prototype Pollution |
| CVE-2020-7779 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2020-27207 | Zetetic Sqlcipher 资源管理错误漏洞 | |
| CVE-2020-12262 | 多款 Intelbras 产品跨站脚本漏洞 | |
| CVE-2020-29129 | libslirp 缓冲区错误漏洞 | |
| CVE-2020-26936 | Cloudera Data Engineering 跨站请求伪造漏洞 | |
| CVE-2020-29042 | BigBlueButton 安全漏洞 | |
| CVE-2020-29043 | BigBlueButton 安全漏洞 | |
| CVE-2020-13886 | 多款 Intelbras 产品路径遍历漏洞 | |
| CVE-2020-27663 | GLPI 安全漏洞 | |
| CVE-2020-27662 | GLPI 安全漏洞 | |
| CVE-2020-29130 | libslirp 缓冲区错误漏洞 | |
| CVE-2020-29128 | Petl 安全漏洞 | |
| CVE-2020-27251 | Rockwell Automation FactoryTalk Linx 缓冲区错误漏洞 | |
| CVE-2020-27255 | Rockwell Automation FactoryTalk Linx 信息泄露漏洞 | |
| CVE-2020-27253 | Rockwell Automation FactoryTalk Linx 输入验证错误漏洞 | |
| CVE-2020-25653 | SPICE vdagent 竞争条件问题漏洞 | |
| CVE-2020-25651 | SPICE vdagent 竞争条件问题漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-770
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Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in W - CVE-2026-42189
Russh: Pre-auth DoS via unbounded allocation in keyboard-int - CVE-2026-42793
Atom table exhaustion via attacker-controlled GraphQL SDL na - CVE-2026-44499
ZEBRA: Permanent Block Discovery Halt via Gossip Queue Satur - CVE-2026-44500
ZEBRA: Allocation Amplification in Inbound Network Deseriali
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