CVE-2019-13272— Linux kernel 权限许可和访问控制问题漏洞
一分钟漏洞结论
影响对象
n/a n/a
利用判断
已确认在野利用，应立即处置
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.1.17之前版本中存在安全漏洞，该漏洞源于kernel/ptrace.c文件的ptrace_link没有正确处理对凭证的记录。攻击者可利用该漏洞获取root访问权限。
公开利用映射 5
Metasploit · 1
ptrace_traceme_pkexec_helper.rb [exploit]
已观察到在野利用
cisa_kev · confirmed
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一、 漏洞 CVE-2019-13272 基础信息
漏洞信息
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Vulnerability Title
N/A
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel before 5.1.17, ptrace_link in kernel/ptrace.c mishandles the recording of the credentials of a process that wants to create a ptrace relationship, which allows local users to obtain root access by leveraging certain scenarios with a parent-child process relationship, where a parent drops privileges and calls execve (potentially allowing control by an attacker). One contributing factor is an object lifetime issue (which can also cause a panic). Another contributing factor is incorrect marking of a ptrace relationship as privileged, which is exploitable through (for example) Polkit's pkexec helper with PTRACE_TRACEME. NOTE: SELinux deny_ptrace might be a usable workaround in some environments.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 权限许可和访问控制问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.1.17之前版本中存在安全漏洞，该漏洞源于kernel/ptrace.c文件的ptrace_link没有正确处理对凭证的记录。攻击者可利用该漏洞获取root访问权限。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| - | n/a | n/a | - |
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二、漏洞 CVE-2019-13272 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | Linux 4.10 < 5.1.17 PTRACE_TRACEME local root | https://github.com/jas502n/CVE-2019-13272 | POC详情 |
| 2 | The exploit for CVE-2019-13272 | https://github.com/Cyc1eC/CVE-2019-13272 | POC详情 |
| 3 | 提权漏洞 | https://github.com/bigbigliang-malwarebenchmark/cve-2019-13272 | POC详情 |
| 4 | linux 提权 | https://github.com/oneoy/CVE-2019-13272 | POC详情 |
| 5 | 5.1.17之前的Linux内核中普通用户执行文件提权为root用户 | https://github.com/Huandtx/CVE-2019-13272 | POC详情 |
| 6 | CVE-2019-13272 | https://github.com/polosec/CVE-2019-13272 | POC详情 |
| 7 | None | https://github.com/sumedhaDharmasena/-Kernel-ptrace-c-mishandles-vulnerability-CVE-2019-13272 | POC详情 |
| 8 | Local Root vulnerability- CVE-2019-13272 / Security Bypass Vulnerability – CVE-2019-14287 | https://github.com/Tharana/Exploiting-a-Linux-kernel-vulnerability | POC详情 |
| 9 | None | https://github.com/RashmikaEkanayake/Privilege-Escalation-CVE-2019-13272- | POC详情 |
| 10 | None | https://github.com/teddy47/CVE-2019-13272---Documentation | POC详情 |
| 11 | None | https://github.com/datntsec/CVE-2019-13272 | POC详情 |
| 12 | Local Privilege Escalation is a way to take advantage of flaws in code or service administration that can manage regular or guest users for particular device activities or transfer root user privileges to master or client. User rights admin. The licenses or privileges may be violated by such undesired amendments, as the system may be disrupted by frequent users unless they have shell or root authorization. So, someone, someone, it may become dangerous and be used to obtain access to a higher level. | https://github.com/jana30116/CVE-2019-13272-Local-Privilege-Escalation | POC详情 |
| 13 | None | https://github.com/babyshen/CVE-2019-13272 | POC详情 |
| 14 | fall2022 secure coding CVE-2019-13272 : Linux Kernel Improper Privilege Management Vulnerability | https://github.com/GgKendall/secureCodingDemo | POC详情 |
| 15 | None | https://github.com/asepsaepdin/CVE-2019-13272 | POC详情 |
| 16 | Es una vulnerabilidad para escalar privilegios en linux. | https://github.com/MDS1GNAL/ptrace_scope-CVE-2019-13272-privilege-escalation | POC详情 |
| 17 | This is a Python 3 version of this exploit. Hope it works!!! | https://github.com/josemlwdf/CVE-2019-13272 | POC详情 |
| 18 | To check for vulnerability CVE-2019-13272 | https://github.com/Chinmay1743/ptrace-vuln | POC详情 |
| 19 | None | https://github.com/letsr00t/CVE-2019-13272 | POC详情 |
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CVE-2019-13272 补丁与修复 (2)
CVE-2019-13272 厂商安全公告 (14)
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https://support.f5.com/csp/article/K91025336 x_refsource_CONFIRM
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https://bugzilla.suse.com/show_bug.cgi?id=1140671 x_refsource_CONFIRM
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https://security.netapp.com/advisory/ntap-20190806-0001/ x_refsource_CONFIRM
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https://bugzilla.redhat.com/show_bug.cgi?id=1730895 x_refsource_CONFIRM
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CVE-2019-13272 公开利用代码 (2)
CVE-2019-13272 邮件列表归档 (5)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGRK5LYWBJ4E4SRI4DKX367NHYSI3VOH/ vendor-advisory x_refsource_FEDORA
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CVE-2019-13272 其他参考 (2)
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https://bugs.chromium.org/p/project-zero/issues/detail?id=1903 x_refsource_MISC
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https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.17 x_refsource_MISC
同批安全公告 · n/a · 2019-07-17 · 共 37 条
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| CVE-2019-13637 | LogMeIn join.me 输入验证错误漏洞 | |
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| CVE-2019-3970 | Comodo Security Solutions Antivirus 输入验证错误漏洞 | |
| CVE-2019-3971 | Comodo Security Solutions Antivirus 缓冲区错误漏洞 | |
| CVE-2019-3972 | Comodo Security Solutions Antivirus 缓冲区错误漏洞 | |
| CVE-2019-3973 | Comodo Security Solutions Antivirus 缓冲区错误漏洞 | |
| CVE-2019-13640 | qBittorrent 操作系统命令注入漏洞 | |
| CVE-2019-5222 | Huawei Honor Magic 2 信息泄露漏洞 | |
| CVE-2019-12175 | Zeek Network Security Monitor 代码问题漏洞 | |
| CVE-2019-13623 | National Security Agency Ghidra 路径遍历漏洞 |
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IV. Related Vulnerabilities
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