CVE-2021-32556— apport get_modified_conffiles() function command injection
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I. Basic Information for CVE-2021-32556
Vulnerability Information
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Vulnerability Title
apport get_modified_conffiles() function command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
It was discovered that the get_modified_conffiles() function in backends/packaging-apt-dpkg.py allowed injecting modified package names in a manner that would confuse the dpkg(1) call.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ubuntu Apport 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apport是一款用于收集并反馈错误信息（当应用程序崩溃时操作系统认为有用的信息）的工具包。 Ubuntu Apport 中存在安全漏洞，该漏洞源于Apport错误地处理了某些信息收集操作，攻击者可利用该漏洞可以使用这些问题作为管理员读写任意文件。以下产品及版本受到影响：Ubuntu 14.04 ESM、Ubuntu 16.07 ESM。
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
II. Public POCs for CVE-2021-32556
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- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-32556
Same Patch Batch · Canonical · 2021-06-12 · 11 CVEs total
| CVE-2021-32555 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32553 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32554 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32552 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32550 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32551 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32549 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32548 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32547 | 7.3 HIGH | apport read_file() function could follow maliciously constructed symbolic links |
| CVE-2021-32557 | 5.2 MEDIUM | apport process_report() arbitrary file write |
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