Nessus plugin for tigervnc2/18/2023 (CVE-2019-15694) - TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This attack appear to be exploitable via network connectivity. Exploitation of this vulnerability could potentially result into remote code execution. Vulnerability occurs due to the signdness error in processing MemOutStream. (CVE-2019-15693) - TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. (CVE-2019-15692) - TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. (CVE-2019-15691) - TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1470 advisory. Description The version of tested product installed on the remote host is prior to tested version. Synopsis This plugin has been deprecated.
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