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CVE-2018-6307

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Date: December 19, 2018

LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.

Language: C

Severity Score

Related Resources (10)

https://usn.ubuntu.com/3877-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-6307
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-026-libvnc-heap-use-after-free/
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
https://nvd.nist.gov/vuln/detail/CVE-2018-6307
https://security-tracker.debian.org/tracker/CVE-2018-6307
https://www.debian.org/security/2019/dsa-4383
https://github.com/LibVNC/libvncserver/issues/241
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://www.mend.io/vulnerability-database/CVE-2018-6307

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

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

CVSS v2

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

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