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Zimbra has released patches to contain an actively exploited security flaw in its enterprise collaboration suite that could be leveraged to upload arbitrary files to vulnerable instances.

Tracked as CVE-2022-41352 (CVSS score: 9.8), the issue affects a component of the Zimbra suite called Amavis, an open source content filter, and more specifically, the cpio utility it uses to scan and extract archives.

The flaw, in turn, is said to be rooted in another underlying vulnerability (CVE-2015-1197) that was first disclosed in early 2015, which according to Flashpoint was rectified, only to be subsequently reverted in later Linux distributions.

“An attacker can use cpio package to gain incorrect access to any other user accounts,” Zimbra said in an advisory published last week, adding it “recommends pax over cpio.”

Fixes are available in the following versions –

images from Hacker News