Vulnerability in Kaspersky Libvnc
CVE-2019-15681
LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
Vulnerability class: Dirty Pipe (CVE-2022-0847)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.029 (86.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/LibVNC/libvncserver/commit/d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/10/msg00039.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/10/msg00042.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/11/msg00032.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2019/12/msg00028.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4407-1/ (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00073.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4547-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4573-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15681?
- CVE-2019-15681 is a high-severity vulnerability in Kaspersky Libvnc, classified under Improper Initialization. CVSS score: 7.5/10. Published 2019-10-29.
- How severe is CVE-2019-15681?
- High severity. CVSS v3 base score is 7.5 out of 10.