HIGH
CVE-2015-8239
CWE-362Published: October 10, 2017· Updated: Jun 17, 2026
7.0
CVSS v3.1
Official Description
The SHA-2 digest support in the sudoers plugin in sudo after 1.8.7 allows local users with write permissions to parts of the called command to replace them before it is executed.
Technical Analysis
CVE-2015-8239 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.0.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
sudo_project1 product(s)
sudo
Source: NVD CPE · 8 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (10)
→
http://www.openwall.com/lists/oss-security/2015/11/18/22Mailing List · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1283635Issue Tracking · Patch · Third Party Advisory
→
https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195Issue Tracking · Patch · Third Party Advisory
→
https://www.sudo.ws/repos/sudo/rev/24a3d9215c64Issue Tracking · Patch · Third Party Advisory
→
https://www.sudo.ws/repos/sudo/rev/397722cdd7ecIssue Tracking · Patch · Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2015/11/18/22Mailing List · Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=1283635Issue Tracking · Patch · Third Party Advisory
→
https://www.sudo.ws/repos/sudo/rev/0cd3cc8fa195Issue Tracking · Patch · Third Party Advisory
→
https://www.sudo.ws/repos/sudo/rev/24a3d9215c64Issue Tracking · Patch · Third Party Advisory
→
https://www.sudo.ws/repos/sudo/rev/397722cdd7ecIssue Tracking · Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2015-8239
CVSS Score7.0 / 10
SeverityHIGH
WeaknessCWE-362
CISA KEVNo
Affected1 vendor(s)
PublishedOct 10, 2017
Related CVEs (CWE-362)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2015-8239 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.