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CVE-2019-15680

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Date: October 29, 2019

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

Language: C

Severity Score

Related Resources (9)

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
https://security-tracker.debian.org/tracker/CVE-2019-15680
https://usn.ubuntu.com/4407-1/
https://www.openwall.com/lists/oss-security/2018/12/10/5
https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
https://nvd.nist.gov/vuln/detail/CVE-2019-15680
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-15680
https://www.mend.io/vulnerability-database/CVE-2019-15680

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

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

CVSS v2

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

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