CVE-2019-12209
Quick assessment
Affected
n/a n/a
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.
Yubico pam-u2f是一款用于U2F的可移植身份认证模块。 Yubico pam-u2f 1.0.7版本中存在后置链接漏洞。该漏洞源于网络系统或产品未正确过滤表示非预期资源的链接或者快捷方式的文件名。攻击者可利用该漏洞访问非法的文件路径。
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I. Basic Information for CVE-2019-12209
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile (default $HOME/.config/Yubico/u2f_keys) as root (unless openasuser was enabled), and does not properly verify that the path lacks symlinks pointing to other files on the system owned by root. If the debug option is enabled in the PAM configuration, part of the file contents of a symlink target will be logged, possibly revealing sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Yubico pam-u2f 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yubico pam-u2f是一款用于U2F的可移植身份认证模块。 Yubico pam-u2f 1.0.7版本中存在后置链接漏洞。该漏洞源于网络系统或产品未正确过滤表示非预期资源的链接或者快捷方式的文件名。攻击者可利用该漏洞访问非法的文件路径。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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II. Public POCs for CVE-2019-12209
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2019-12209 (1)
Mailing List Discussions for CVE-2019-12209 (5)
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http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html vendor-advisory x_refsource_SUSE
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http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html vendor-advisory x_refsource_SUSE
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZCGU6UQLI3ZTW3UYCTMQW7VDL5M4LCWR/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5FOR4ADC356JPCHAJI5UXZORLC3VNBPS/ vendor-advisory x_refsource_FEDORA
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Other References for CVE-2019-12209 (1)
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https://developers.yubico.com/pam-u2f/Release_Notes.html x_refsource_CONFIRM
Same Patch Batch · n/a · 2019-06-04 · 6 CVEs total
| CVE-2019-10636 | 多款Marvell产品资源管理错误漏洞 | |
| CVE-2019-12210 | Yubico pam-u2f 信息泄露漏洞 | |
| CVE-2019-12730 | FFmpeg 安全漏洞 | |
| CVE-2019-12728 | Grails 安全漏洞 | |
| CVE-2019-12727 | Ubiquiti Networks airCam 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2019-12209
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