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[email protected]CVE-2019-15694

HistoryDec 26, 2019 - 3:15 p.m.

CVE-2019-15694

2019-12-2615:15:11

CWE-787

CWE-122

[email protected]

web.nvd.nist.gov

126

tigervnc

cve-2019-15694

heap buffer overflow

remote code execution

network connectivity

vulnerability

security

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

62.1%

JSON

TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

Affected configurations

NVD

Node

tigervnctigervncRange<1.10.1

Node

opensuseleapMatch15.1

CPENameOperatorVersion
tigervnc:tigervnctigervnclt1.10.1

CPE	Name	Operator	Version
tigervnc:tigervnc	tigervnc	lt	1.10.1

CNA Affected

[
  {
    "product": "TigerVNC",
    "vendor": "Kaspersky",
    "versions": [
      {
        "status": "affected",
        "version": "1.10.0"
      }
    ]
  }
]