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Computer vulnerabilities of WebSphere Application Server Liberty

vulnerability announce CVE-2016-1000031

Apache Commons FileUpload: read-write access

Synthesis of the vulnerability

An attacker can bypass access restrictions of Apache Commons FileUpload, in order to read or alter files.
Impacted products: Struts, Prime Infrastructure, Secure ACS, Cisco CUCM, Cisco Unified CCX, Unisphere EMC, WebSphere AS Liberty, WebSphere AS Traditional, IBM WebSphere ESB, WebSphere MQ, openSUSE Leap, Oracle Communications, Oracle Fusion Middleware, Oracle Identity Management, Tuxedo, WebLogic, SUSE Linux Enterprise Desktop, SLES, Unix (platform) ~ not comprehensive.
Severity: 3/4.
Consequences: data reading, data creation/edition, data deletion.
Provenance: internet client.
Creation date: 18/10/2016.
Identifiers: 2009844, 2011428, 2011689, 528262, 7018113, 7043863, 7048591, CERTFR-2018-AVI-531, cisco-sa-20181107-struts-commons-fileupload, cpuapr2019, cpujan2019, cpujul2019, CVE-2016-1000031, DSA-2018-210, openSUSE-SU-2019:1399-1, SUSE-SU-2019:1214-1, SUSE-SU-2019:14044-1, TRA-2016-12, VIGILANCE-VUL-20892, ZDI-16-570.

Description of the vulnerability

Several products use Apache Commons FileUpload.

However, data unserialized by the DiskFileItem class are not checked.

An attacker can therefore bypass access restrictions of Apache Commons FileUpload, in order to read or alter files.
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