PT-2019-1356 · Libvnc+3 · Libvnc+4

Pavel Cheremushkin · Publicado 2019-01-07 · Atualizado 2022-03-10 · CVE-2018-20750

Positive Technologies (AI Summary)

CVSS v2.0

10

Crítica

Vetor base

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

Name of the Vulnerable Software and Affected Versions LibVNC through 0.9.12

Description The issue is related to a heap out-of-bounds write vulnerability in the rfbserver.c component of the LibVNCServer library. This vulnerability can be exploited by a remote attacker to cause a denial of service and gain unauthorized access to sensitive data.

Recommendations For LibVNC through 0.9.12, consider applying the necessary patches or fixes to address the incomplete fix for the issue. As a temporary workaround, restrict access to the vulnerable rfbserver.c component to minimize the risk of exploitation.

Exploit

Correção

Memory Corruption

Enumeração de Fraquezas

CWE-787

Identificadores relacionados

ALT-PU-2019-2585

ALT-PU-2019-2662

ALT-PU-2021-1040

BDU:2019-00704

CVE-2018-20750

DLA-1652-1

DLA-1979-1

MGASA-2019-0070

MGASA-2020-0435

OPENSUSE-SU-2019:0196-1

OPENSUSE-SU-2019_0196-1

OPENSUSE-SU-2019_0200-1

OPENSUSE-SU-2024:10598-1

SUSE-SU-2019:0283-1

SUSE-SU-2019:0313-1

SUSE-SU-2019:0313-2

SUSE-SU-2019:13952-1

USN-3877-1

USN-4547-1

USN-4587-1

Produtos afetados

Alt Linux

Libvnc

Libvncserver

Suse

Ubuntu

Referências · 73

• 🔥 https://openwall.com/lists/oss-security/2018/12/10/8 · Exploit
• https://github.com/LibVNC/libvncserver/commit/09e8fc02f59f16e2583b34fe1a270c238bd9ffec · Correção
• https://github.com/LibVNC/libvncserver/issues/273 · Nota
• https://usn.ubuntu.com/3877-1 · Aviso do Fabricante
• https://t.me/cvenotify/27988 · Publicação no Telegram
• https://osv.dev/vulnerability/SUSE-SU-2019:0283-1 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-20021 · Aviso do Fabricante
• https://suse.com/support/update/announcement/2019/suse-su-201913952-1 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2018-20750 · Nota de Segurança
• http://securityfocus.com/bid/106825 · Nota
• https://ubuntu.com/security/CVE-2018-6307 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2018-20023 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2014-6053 · Aviso do Fabricante
• https://ubuntu.com/security/CVE-2014-6055 · Aviso do Fabricante
• https://usn.ubuntu.com/usn/usn-3877-1 · Nota