CVE-2018-20684

In WinSCP before 5.14 beta, due to missing validation, the scp implementation would accept arbitrary files sent by the server, potentially overwriting unrelated files. This affects TSCPFileSystem::SCPSink in core/ScpFileSystem.cpp.

CVSS v3.0 7.5 HIGH
CVSS v2.0 6.4 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://winscp.net/tracker/1675	Patch Vendor Advisory
https://winscp.net/eng/docs/history	Release Notes Vendor Advisory
https://github.com/winscp/winscp/commit/49d876f2c5fc00bcedaa986a7cf6dedd6bf16f54	Patch Third Party Advisory
http://www.securityfocus.com/bid/106526	Third Party Advisory VDB Entry
https://sintonen.fi/advisories/scp-client-multiple-vulnerabilities.txt	Mitigation Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2020.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:winscp:winscp:*:*:*:*:*:*:*:*

Information

Published : 2019-01-10 13:29

Updated : 2020-01-15 12:15

NVD link : CVE-2018-20684

Mitre link : CVE-2018-20684

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

winscp

winscp

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