Vulnerability in Sudo Project
CVE-2023-42465
Sudo before 1.9.15 might allow row hammer attacks (for authentication bypass or privilege escalation) because application logic sometimes is based on not equaling an error value (instead of equaling a success value), and because the values do not resist flips of a single bit.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- www.sudo.ws/releases/changelog/ (Release Notes)
- www.openwall.com/lists/oss-security/2023/12/21/9 (Exploit, Mailing List)
- github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f (Patch)
- arxiv.org/abs/2309.02545 (Technical Description, Third Party Advisory)
- github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15 (Release Notes)
- security.gentoo.org/glsa/202401-29 (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20240208-0002/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-42465?
- CVE-2023-42465 is a high-severity vulnerability in Sudo Project. CVSS score: 7.0/10. Published 2023-12-22.
- How severe is CVE-2023-42465?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-42465 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.