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Test ID:1.3.6.1.4.1.25623.1.1.2.2020.2362
Category:Huawei EulerOS Local Security Checks
Title:Huawei EulerOS: Security Advisory for libvncserver (EulerOS-SA-2020-2362)
Summary:The remote host is missing an update for the Huawei EulerOS; 'libvncserver' package(s) announced via the EulerOS-SA-2020-2362 advisory.
Description:Summary:
The remote host is missing an update for the Huawei EulerOS
'libvncserver' package(s) announced via the EulerOS-SA-2020-2362 advisory.

Vulnerability Insight:
An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.(CVE-2018-21247)

libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.(CVE-2019-20839)

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.(CVE-2020-14397)

An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.(CVE-2020-14398)

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c.(CVE-2020-14399)

An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint16_t pointers in libvncserver/translate.c.(CVE-2020-14400)

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.(CVE-2020-14401)

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.(CVE-2020-14402)

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.(CVE-2020-14403)

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.(CVE-2020-14404)

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.(CVE-2020-14405)

Affected Software/OS:
'libvncserver' package(s) on Huawei EulerOS V2.0SP2.

Solution:
Please install the updated package(s).

CVSS Score:
6.4

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2018-21247
Common Vulnerability Exposure (CVE) ID: CVE-2019-20839
Common Vulnerability Exposure (CVE) ID: CVE-2020-14397
Common Vulnerability Exposure (CVE) ID: CVE-2020-14398
Common Vulnerability Exposure (CVE) ID: CVE-2020-14399
Common Vulnerability Exposure (CVE) ID: CVE-2020-14400
Common Vulnerability Exposure (CVE) ID: CVE-2020-14401
Common Vulnerability Exposure (CVE) ID: CVE-2020-14402
Common Vulnerability Exposure (CVE) ID: CVE-2020-14403
Common Vulnerability Exposure (CVE) ID: CVE-2020-14404
Common Vulnerability Exposure (CVE) ID: CVE-2020-14405
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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