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prionPRIOn knowledge basePRION:CVE-2021-3139
HistoryJan 13, 2021 - 4:15 p.m.

Directory traversal

2021-01-1316:15:00
PRIOn knowledge base
www.prio-n.com
12

8.1 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

72.9%

In Open-iSCSI tcmu-runner 1.3.x, 1.4.x, and 1.5.x through 1.5.2, xcopy_locate_udev in tcmur_cmd_handler.c lacks a check for transport-layer restrictions, allowing remote attackers to read or write files via directory traversal in an XCOPY request. For example, an attack can occur over a network if the attacker has access to one iSCSI LUN. NOTE: relative to CVE-2020-28374, this is a similar mistake in a different algorithm.

CPENameOperatorVersion
tcmu-runnerge1.3.0
tcmu-runnerle1.5.2