CVE-2019-20382

QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.

CVSS v3.0 3.5 LOW
CVSS v2.0 2.7 LOW

3.5^/10

CVSS v3.0 : LOW

Vector :

Exploitability : 2.1 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

2.7^/10

CVSS v2.0 : LOW

Vector : AV:A/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 5.1 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2020/03/05/1	Mailing List Patch Third Party Advisory
https://git.qemu.org/?p=qemu.git;a=commit;h=6bf21f3d83e95bcc4ba35a7a07cc6655e8b010b0	Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html	Third Party Advisory
https://www.debian.org/security/2020/dsa-4665
https://usn.ubuntu.com/4372-1/
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:4.1.0:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Information

Published : 2020-03-05 19:15

Updated : 2020-07-26 14:15

NVD link : CVE-2019-20382

Mitre link : CVE-2019-20382

JSON object : View

Products Affected

opensuse

leap

qemu

qemu

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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