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cnvd-2021-07130
Vulnerability from cnvd
Title
Sudo缓冲区溢出漏洞
Description
Sudo是一款使用于类Unix系统的，允许用户通过安全的方式使用特殊的权限执行命令的程序。
Sudo存在缓冲区溢出漏洞。攻击者可利用该漏洞获得系统root权限。
Severity
高
VLAI Severity ?
Patch Name
Sudo缓冲区溢出漏洞的补丁
Patch Description
Sudo是一款使用于类Unix系统的，允许用户通过安全的方式使用特殊的权限执行命令的程序。
Sudo存在缓冲区溢出漏洞。攻击者可利用该漏洞获得系统root权限。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description
目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： https://www.sudo.ws/alerts/unescape_overflow.html
Reference
https://nvd.nist.gov/vuln/detail/CVE-2021-3156
https://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html
Impacted products
| Name | Sudo Sudo <1.9.5p2 |
|---|
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CVE-2021-3156 (GCVE-0-2021-3156)
Vulnerability from cvelistv5
Published
2021-01-26 00:00
Modified
2025-10-21 23:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer overflow, which allows privilege escalation to root via "sudoedit -s" and a command-line argument that ends with a single backslash character.
References
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Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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