MEDIUM
CVE-2017-15874
CWE-191Published: October 24, 2017· Updated: Jun 17, 2026
5.0
CVSS v3.1
Official Description
archival/libarchive/decompress_unlzma.c in BusyBox 1.27.2 has an Integer Underflow that leads to a read access violation.
Technical Analysis
CVE-2017-15874 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), with a CVSS base score of 5.0.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
Affected Vendors & Products
busybox1 product(s)
busybox
Source: NVD CPE · 1 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
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Official Patches & Advisories
All References (2)
→
https://bugs.busybox.net/show_bug.cgi?id=10436Exploit · Issue Tracking · Patch · Vendor Advisory
→
https://bugs.busybox.net/show_bug.cgi?id=10436Exploit · Issue Tracking · Patch · Vendor Advisory
Quick Facts
CVE IDCVE-2017-15874
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-191
CISA KEVNo
Affected1 vendor(s)
PublishedOct 24, 2017
Related CVEs (CWE-191)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-15874 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.COM. CVE data is provided under the NVD usage policy.