CVE-2021-3156 - Sudo Sudo
AI Vulnerability ContextSudo 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.
Overview
A source-backed snapshot of this vulnerability.
CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.
Vulnerability status
How serious this vulnerability is and whether it is known to be exploited.
CISA KEVHIGH
- CVE ID
- CVE-2021-3156
- Vendor/project
- Sudo
- Product
- Sudo
- Vulnerability name
- Sudo Heap-Based Buffer Overflow Vulnerability
- Date added
- 2022-04-06
- Due date
- 2022-04-27
- Known ransomware campaign use
- Unknown
- CVSS v3
- 7.8
CWE-122CWE-193
Exploit context
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No description available. The source record only contains identifiers and metadata.
Source evidence
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Original source
Original source links
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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2021-3156CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.htmlaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.htmlaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.htmlaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.htmlaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.htmlaf854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Feb/42af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Jan/79af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2024/Feb/3af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/01/26/3af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/01/27/1af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/01/27/2af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/02/15/1