SSRF in jackson-dataformat-xml

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU27704

Risk: High

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:L/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-7051

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within XmlMapper when processing DTD data. A remote non-authenticated attacker can pass specially crafted XML data and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

jackson-dataformat-xml: 2.7.0 - 2.8.3

CPE2.3

• cpe:2.3:a:fasterxml:jackson-dataformat-xml:2.7.0:*:*:*:*:jackson-databind:*:*
• cpe:2.3:a:fasterxml:jackson-dataformat-xml:2.7.1:*:*:*:*:jackson-databind:*:*
• cpe:2.3:a:fasterxml:jackson-dataformat-xml:2.7.2:*:*:*:*:jackson-databind:*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=1378673
https://github.com/FasterXML/jackson-dataformat-xml/issues/211

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.