CVE-2021-3156: Sudo vulnerability
Fixed in 1.9.5p2 · Affected: Sudo before 1.9.5p2 · Exploitation: in CISA KEV since 6 Apr 2022
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
ExploitationIn CISA KEV
- In CISA KEVCISA KEV catalogue6 Apr 2022
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
Higher than 99% of scored CVEs
DescriptionCVE.org
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.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
- CISA KEV
- Listed since 6 Apr 2022 · catalogue entry
- Public check
- No public nuclei template
- Vendor
- Sudo
- Published
- January 2021
What changed
- CISA added it to the KEV catalogue CISA
CoverageNo articles yet
No CyberSIXT article names CVE-2021-3156 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CISA KEV cataloguecisa.gov
- CVE recordcve.org
- Weakness CWE-193cwe.mitre.org
- Vendor advisorysecurity.gentoo.org
- Vendor advisorydebian.org
- Vendor advisorylists.fedoraproject.org
- Vendor advisorylists.fedoraproject.org
- Vendor advisorytools.cisco.com
- Third-party advisorykb.cert.org
- oracle.com//security-alerts/cpujul2021.htmloracle.com
- sudo.ws/stable.html#1.9.5p2sudo.ws
- openwall.com/lists/oss-security/2021/01/26/3openwall.com
- packetstormsecurity.com/files/161160/Sudo-Heap-Based-Buffer-Overpacketstormsecurity.com
- security.netapp.com/advisory/ntap-20210128-0002security.netapp.com
- security.netapp.com/advisory/ntap-20210128-0001security.netapp.com
23 more references are in the CVE record.