Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://lists.debian.org/debian-lts-announce/2021/01/msg00022.html ↗
- http://seclists.org/fulldisclosure/2021/Jan/79 ↗
- http://www.openwall.com/lists/oss-security/2021/01/26/3 ↗
- https://security.gentoo.org/glsa/202101-33 ↗
- https://www.debian.org/security/2021/dsa-4839 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LHXK6ICO5AYLGFK2TAX5MZKUXTUKWOJY/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CALA5FTXIQBRRYUA2ZQNJXB6OQMAXEII/ ↗
- http://www.openwall.com/lists/oss-security/2021/01/27/1 ↗
- http://www.openwall.com/lists/oss-security/2021/01/27/2 ↗
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sudo-privesc-jan2021-qnYQfcM ↗
- https://www.kb.cert.org/vuls/id/794544 ↗
- http://seclists.org/fulldisclosure/2021/Feb/42 ↗
- http://www.openwall.com/lists/oss-security/2021/02/15/1 ↗
- https://www.oracle.com//security-alerts/cpujul2021.html ↗
- https://www.sudo.ws/stable.html#1.9.5p2 ↗
- https://www.openwall.com/lists/oss-security/2021/01/26/3 ↗
- http://packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overflow.html ↗
- https://security.netapp.com/advisory/ntap-20210128-0002/ ↗
- https://security.netapp.com/advisory/ntap-20210128-0001/ ↗
- 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 ↗
- https://support.apple.com/kb/HT212177 ↗
- https://kc.mcafee.com/corporate/index?page=content&id=SB10348 ↗
- 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.synology.com/security/advisory/Synology_SA_21_02 ↗
- http://www.openwall.com/lists/oss-security/2021/09/14/2 ↗
- https://www.oracle.com/security-alerts/cpuoct2021.html ↗
- https://www.oracle.com/security-alerts/cpuapr2022.html ↗
- http://www.openwall.com/lists/oss-security/2024/01/30/8 ↗
- http://www.openwall.com/lists/oss-security/2024/01/30/6 ↗
- http://packetstormsecurity.com/files/176932/glibc-syslog-Heap-Based-Buffer-Overflow.html ↗
- http://seclists.org/fulldisclosure/2024/Feb/3 ↗
- https://www.vicarius.io/vsociety/posts/sudoedit-pwned-cve-2021-3156 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-3156 ↗