Vulnerability Report

CVE-2017-7957

Title: Xstream Improper Input Validation

Input Validation Error

Proof Of Concept

PoC Available for CVE-2017-7957

CWE Category CWE-20
Published Date Apr 29, 2017
Modified Date Jun 17, 2026
Exploit Status Available
Score 7.5 CVSS v3.1
Exploit Probability (EPSS)
4.93%

Vulnerability Summary

CVE-2017-7957: XStream through 1.4.9, when a certain denyTypes workaround is not used, mishandles attempts to create an instance of the primitive type 'void' during unmarshalling, leading to a remote application crash, as demonstrated by an xstream.fromXML("<void/>") call.

Impacted Vendors

F
fuse 1
M
miklos_szeredi 1
R
redhat 2
X
xstream 1

Reference Links

http://www.debian.org/security/2017/dsa-3841 http://www.securityfocus.com/bid/100687 http://www.securitytracker.com/id/1039499 http://x-stream.github.io/CVE-2017-7957.html https://access.redhat.com/errata/RHSA-2017:1832 https://access.redhat.com/errata/RHSA-2017:2888 https://access.redhat.com/errata/RHSA-2017:2889 https://exchange.xforce.ibmcloud.com/vulnerabilities/125800 https://www-prd-trops.events.ibm.com/node/715749 http://www.debian.org/security/2017/dsa-3841 http://www.securityfocus.com/bid/100687 http://www.securitytracker.com/id/1039499 http://x-stream.github.io/CVE-2017-7957.html https://access.redhat.com/errata/RHSA-2017:1832 https://access.redhat.com/errata/RHSA-2017:2888 https://access.redhat.com/errata/RHSA-2017:2889 https://exchange.xforce.ibmcloud.com/vulnerabilities/125800 https://www-prd-trops.events.ibm.com/node/715749
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-7957 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/andikahilmy/CVE-2017-7957-xstream-vulnerable
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.