Vulnerability Details : CVE-2019-15693

Potential exploit
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Published 2019-12-26 15:15:11
Updated 2023-01-20 15:40:08
Source Kaspersky Labs
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionExecute code

Products affected by CVE-2019-15693

Exploit prediction scoring system (EPSS) score for CVE-2019-15693

EPSS FAQ
8.47%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2019-15693

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.5
 MEDIUM AV:N/AC:L/Au:S/C:P/I:P/A:P
8.0
6.4
 NIST
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 NIST

CWE ids for CVE-2019-15693

  • A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
    Assigned by: vulnerability@kaspersky.com (Secondary)
  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-15693

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