CVE-2021-36777— login-proxy sends password to attacker-provided domain
Quick assessment
Affected
openSUSE Build service
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.
openSUSE是德国SUSE公司的一套基于Linux的自由操作系统与开源社区项目。 openSUSE Build service login-proxy-scripts dc000cdfe9b9b715fb92195b1a57559362f689ef之前版本存在安全漏洞，该漏洞允许攻击者向用户提供预期的登录表单，然后向攻击者指定的服务器发送明文凭据。
Possible ATT&CK Techniques 2 AI
T1056.004 · Credential API Hooking T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-36777
Vulnerability Information
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Vulnerability Title
login-proxy sends password to attacker-provided domain
Source: CVE Program / CVE List V5
Vulnerability Description
A Reliance on Untrusted Inputs in a Security Decision vulnerability in the login proxy of the openSUSE Build service allowed attackers to present users with a expected login form that then sends the clear text credentials to an attacker specified server. This issue affects: openSUSE Build service login-proxy-scripts versions prior to dc000cdfe9b9b715fb92195b1a57559362f689ef.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5
Vulnerability Title
SUSE openSUSE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openSUSE是德国SUSE公司的一套基于Linux的自由操作系统与开源社区项目。 openSUSE Build service login-proxy-scripts dc000cdfe9b9b715fb92195b1a57559362f689ef之前版本存在安全漏洞，该漏洞允许攻击者向用户提供预期的登录表单，然后向攻击者指定的服务器发送明文凭据。
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 |
|---|---|---|---|---|
| openSUSE | Build service | login-proxy-scripts ~ dc000cdfe9b9b715fb92195b1a57559362f689ef | - |
|
II. Public POCs for CVE-2021-36777
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2021-36777 (1)
-
https://bugzilla.suse.com/show_bug.cgi?id=1191209 x_refsource_CONFIRM
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