Incorrect Calculation of Buffer Size Affecting libvirt-daemon-driver-storage-iscsi package, versions <0:6.0.0-35.module+el8.4.0+10230+7a9b21e4


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-CENTOS8-LIBVIRTDAEMONDRIVERSTORAGEISCSI-2106700
  • published26 Jul 2021
  • disclosed20 Apr 2020

Introduced: 20 Apr 2020

CVE-2020-11947  (opens in a new tab)
CWE-131  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Centos:8 libvirt-daemon-driver-storage-iscsi to version 0:6.0.0-35.module+el8.4.0+10230+7a9b21e4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-storage-iscsi package and not the libvirt-daemon-driver-storage-iscsi package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.

CVSS Scores

version 3.1