#VU73951 Deserialization of Untrusted Data in xstream - CVE-2021-39148
Vulnerability identifier: #VU73951
Vulnerability risk: High
CVSSv4.0: [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID:
CWE-ID:
CWE-502
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
xstream
Universal components / Libraries /
Libraries used by multiple products
Vendor: XStream
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
xstream: 1.4 - 1.4.17
External links
http://github.com/x-stream/xstream/security/advisories/GHSA-qrx8-8545-4wg2
http://x-stream.github.io/CVE-2021-39148.html
http://security.netapp.com/advisory/ntap-20210923-0003/
http://lists.debian.org/debian-lts-announce/2021/09/msg00017.html
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/22KVR6B5IZP3BGQ3HPWIO2FWWCKT3DHP/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QGXIU3YDPG6OGTDHMBLAFN7BPBERXREB/
http://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PVPHZA7VW2RRSDCOIPP2W6O5ND254TU7/
http://www.debian.org/security/2021/dsa-5004
http://www.oracle.com/security-alerts/cpujan2022.html
http://www.oracle.com/security-alerts/cpuapr2022.html
http://www.oracle.com/security-alerts/cpujul2022.html
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.
