CVE-2021-31566
Quick assessment
Affected
n/a libarchive
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.
libarchive是一款多格式存档和压缩库。 libarchive 存在安全漏洞，该漏洞源于可以通过符号链接模式时间标记修改数据。攻击者可利用该漏洞可以绕过libarchive的访问限制。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1055 · Process Injection
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I. Basic Information for CVE-2021-31566
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
libarchive 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libarchive是一款多格式存档和压缩库。 libarchive 存在安全漏洞，该漏洞源于可以通过符号链接模式时间标记修改数据。攻击者可利用该漏洞可以绕过libarchive的访问限制。
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 |
|---|---|---|---|---|
| - | libarchive | Fixed in libarchive 3.5.2 | - |
|
II. Public POCs for CVE-2021-31566
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2021-31566 (1)
Vendor Advisories for CVE-2021-31566 (2)
Other References for CVE-2021-31566 (1)
Same Patch Batch · n/a · 2022-08-23 · 54 CVEs total
| CVE-2022-24381 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25888 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25761 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-24298 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-21208 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25231 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25304 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25302 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-37428 | 6.5 MEDIUM | PowerDNS Recursor 安全漏洞 |
| CVE-2021-3839 | DPDK 缓冲区错误漏洞 | |
| CVE-2021-3690 | Red Hat JBoss Enterprise Application Platform资源管理错误漏洞 | |
| CVE-2022-35115 | IceWarp WebClient SQL注入漏洞 | |
| CVE-2020-35509 | Red Hat Keycloak 信任管理问题漏洞 | |
| CVE-2021-3827 | Red Hat Keycloak 授权问题漏洞 | |
| CVE-2021-3798 | openCryptoki 安全漏洞 | |
| CVE-2022-37111 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37112 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37113 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37223 | jfinal cms SQL注入漏洞 | |
| CVE-2022-37199 | jfinal cms SQL注入漏洞 |
Showing top 20 of 54 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-31566
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