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CVE-2020-11947

Good to know:

Date: December 30, 2020

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.

Language: C

Severity Score

3.8

Related Resources (9)

Url: https://security-tracker.debian.org/tracker/CVE-2020-11947

Url: http://www.openwall.com/lists/oss-security/2021/01/13/4

Url: https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5

Url: https://security.netapp.com/advisory/ntap-20210212-0001/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-11947

Url: https://git.qemu.org/?p=qemu.git;a=commit;h=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-11947

Url: https://access.redhat.com/security/cve/CVE-2020-11947

Url: https://www.mend.io/vulnerability-database/CVE-2020-11947

Severity Score

3.8

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version v5.0.0-rc4

CVSS v3.1

Base Score:	3.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	CHANGED
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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