CVE-2021-3156
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.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version
Related Resources
References
https://kc.mcafee.com/corporate/index?page=content&id=SB10348, https://www.kb.cert.org/vuls/id/794544, https://www.cisa.gov/known-exploited-vulnerabilities-catalog?fieldcve=CVE-2021-3156, http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html, http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html, http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html, http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html, http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html, http://seclists.org/fulldisclosure/2021/Feb/42, http://seclists.org/fulldisclosure/2021/Jan/79, http://seclists.org/fulldisclosure/2024/Feb/3, http://www.openwall.com/lists/oss-security/2021/01/26/3, http://www.openwall.com/lists/oss-security/2021/01/27/1, http://www.openwall.com/lists/oss-security/2021/01/27/2, http://www.openwall.com/lists/oss-security/2021/02/15/1, http://www.openwall.com/lists/oss-security/2021/09/14/2, https://kc.mcafee.com/corporate/index?page=content&id=SB10348, https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/, https://security.gentoo.org/glsa/202101-33, https://security.netapp.com/advisory/ntap-20210128-0001/, https://security.netapp.com/advisory/ntap-20210128-0002/, https://support.apple.com/kb/HT212177, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM, https://www.beyondtrust.com/blog/entry/security-advisory-privilege-management-for-unix-linux-pmul-basic-and-privilege-management-for-mac-pmm-affected-by-sudo-vulnerability, https://www.debian.org/security/2021/dsa-4839, https://www.kb.cert.org/vuls/id/794544, https://www.openwall.com/lists/oss-security/2021/01/26/3, https://www.oracle.com//security-alerts/cpujul2021.html, https://www.oracle.com/security-alerts/cpuapr2022.html, https://www.oracle.com/security-alerts/cpuoct2021.html, https://www.sudo.ws/stable.html#1.9.5p2, https://www.synology.com/security/advisory/SynologySA2102, https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156, http://www.openwall.com/lists/oss-security/2021/09/14/2, https://www.oracle.com//security-alerts/cpujul2021.html, https://www.oracle.com/security-alerts/cpuapr2022.html, https://www.oracle.com/security-alerts/cpuoct2021.html, http://seclists.org/fulldisclosure/2021/Feb/42, http://seclists.org/fulldisclosure/2021/Jan/79, http://seclists.org/fulldisclosure/2024/Feb/3, http://www.openwall.com/lists/oss-security/2021/01/26/3, http://www.openwall.com/lists/oss-security/2021/01/27/1, http://www.openwall.com/lists/oss-security/2021/01/27/2, http://www.openwall.com/lists/oss-security/2021/02/15/1, http://www.openwall.com/lists/oss-security/2021/09/14/2, http://www.openwall.com/lists/oss-security/2024/01/30/6, http://www.openwall.com/lists/oss-security/2024/01/30/8, https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/, https://www.openwall.com/lists/oss-security/2021/01/26/3, http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html, http://packetstormsecurity.com/files/161230/Sudo-Buffer-Overflow-Privilege-Escalation.html, http://packetstormsecurity.com/files/161270/Sudo-1.9.5p1-Buffer-Overflow-Privilege-Escalation.html, http://packetstormsecurity.com/files/161293/Sudo-1.8.31p2-1.9.5p1-Buffer-Overflow.html, http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html, http://seclists.org/fulldisclosure/2021/Jan/79, http://seclists.org/fulldisclosure/2024/Feb/3, http://www.openwall.com/lists/oss-security/2021/01/26/3, http://www.openwall.com/lists/oss-security/2021/02/15/1, http://www.openwall.com/lists/oss-security/2024/01/30/6, https://www.openwall.com/lists/oss-security/2021/01/26/3, https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156
Basic Information
