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MitreCVE-2020-12651

HistoryMay 15, 2020 - 6:15 p.m.

CVE-2020-12651

2020-05-1518:15:13

CWE-190

mitre

web.nvd.nist.gov

503

cve-2020-12651

securecrt

integer overflow

buffer overflow

remote code execution

nvd

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.019

Percentile

88.6%

JSON

SecureCRT before 8.7.2 allows remote attackers to execute arbitrary code via an Integer Overflow and a Buffer Overflow because a banner can trigger a line number to CSI functions that exceeds INT_MAX.

Affected configurations

Nvd

Node

applemacosMatch-

linuxlinux_kernelMatch-

microsoftwindowsMatch-

AND

vandykesecurecrtRange<8.7.2

Node

appleiphone_osMatch-

AND

vandykesecurecrtRange<2.4

VendorProductVersionCPE
applemacos-cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
linuxlinux_kernel-cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
microsoftwindows-cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
vandykesecurecrt*cpe:2.3:a:vandyke:securecrt:*:*:*:*:*:*:*:*
appleiphone_os-cpe:2.3:o:apple:iphone_os:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
apple	macos	-	cpe:2.3:o:apple:macos:-:::::::*
linux	linux_kernel	-	cpe:2.3:o:linux:linux_kernel:-:::::::*
microsoft	windows	-	cpe:2.3:o:microsoft:windows:-:::::::*
vandyke	securecrt	*	cpe:2.3:a:vandyke:securecrt::::::::
apple	iphone_os	-	cpe:2.3:o:apple:iphone_os:-:::::::*

References

bugs.chromium.org/p/project-zero/issues/detail?id=2033

twitter.com/taviso/status/1261079774190919680

www.vandyke.com/products/securecrt/history.txt

www.vandyke.com/support/advisory/index.html

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.7

Confidence

High

EPSS

0.019

Percentile

88.6%

JSON

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