Buffer overflow in Kaspersky Tigervnc
CVE-2019-15695
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Vulnerability class: Buffer Overflow
EPSS: 0.045 (90.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kaspersky Tigervnc — versions 1.10.0
- Tigervnc
- Opensuse Leap — versions 15.1
Weakness classification (CWE)
References
- vulnerability@kaspersky.com (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST, Exploit, Mailing List, Third Party Advisory)
- vulnerability@kaspersky.com (Patch, Third Party Advisory, x_refsource_MISC)
- vulnerability@kaspersky.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
Frequently asked questions
- What is CVE-2019-15695?
- CVE-2019-15695 is a high-severity vulnerability in Kaspersky Tigervnc, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2019-12-26.
- How severe is CVE-2019-15695?
- High severity. CVSS v3 base score is 7.2 out of 10.