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CVE-2018-20748

CRITICAL

9.8

Description

LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published1/30/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

canonical:ubuntu_linuxdebian:debian_linuxlibvnc_project:libvncserversiemens:simatic_itc1500siemens:simatic_itc1500_firmwaresiemens:simatic_itc1500_prosiemens:simatic_itc1500_pro_firmwaresiemens:simatic_itc1900siemens:simatic_itc1900_firmwaresiemens:simatic_itc1900_prosiemens:simatic_itc1900_pro_firmwaresiemens:simatic_itc2200siemens:simatic_itc2200_firmwaresiemens:simatic_itc2200_prosiemens:simatic_itc2200_pro_firmware

Weaknesses (CWE)

CWE-787

References

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf(cve@mitre.org)

https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae(cve@mitre.org)

https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7(cve@mitre.org)

https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a(cve@mitre.org)

https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c(cve@mitre.org)

https://github.com/LibVNC/libvncserver/issues/273(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html(cve@mitre.org)

https://usn.ubuntu.com/3877-1/(cve@mitre.org)

https://usn.ubuntu.com/4547-1/(cve@mitre.org)

https://usn.ubuntu.com/4587-1/(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2018/12/10/8(cve@mitre.org)

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/LibVNC/libvncserver/commit/a64c3b37af9a6c8f8009d7516874b8d266b42bae(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/LibVNC/libvncserver/commit/c2c4b81e6cb3b485fb1ec7ba9e7defeb889f6ba7(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/LibVNC/libvncserver/commit/c5ba3fee85a7ecbbca1df5ffd46d32b92757bc2a(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/LibVNC/libvncserver/commit/e34bcbb759ca5bef85809967a268fdf214c1ad2c(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/LibVNC/libvncserver/issues/273(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/3877-1/(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4547-1/(af854a3a-2127-422b-91ae-364da2661108)

https://usn.ubuntu.com/4587-1/(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2018/12/10/8(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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