SUSE-SU-2020:0266-1

CVE-2019-15691: Fixed a use-after-return due to incorrect usage of stack memory in ZRLEDecoder (bsc#1159856).
CVE-2019-15692: Fixed a heap-based buffer overflow in CopyRectDecode (bsc#1160250).
CVE-2019-15693: Fixed a heap-based buffer overflow in TightDecoder::FilterGradient (bsc#1159858).
CVE-2019-15694: Fixed a heap-based buffer overflow, caused by improper error handling in processing MemOutStream (bsc#1160251).
CVE-2019-15695: Fixed a stack-based buffer overflow, which could be triggered from CMsgReader::readSetCursor (bsc#1159860).

Non-security issue fixed:

Make sure CN in generated certificate doesn't exceed 64 characters. (bnc#1041847)
Change with-vnc-key.sh to generate TLS certificate using current hostname to keep it short. (bsc#1041847)
Disable MIT-SHM extension when running under user 'vnc'. (bsc#1053373)

References

Affected packages

Name: tigervnc
Purl: pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.4.3-25.11.1

{
    "binaries": [
        {
            "xorg-x11-Xvnc": "1.4.3-25.11.1",
            "tigervnc": "1.4.3-25.11.1"
        }
    ]
}

Name: tigervnc
Purl: pkg:rpm/suse/tigervnc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSS

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.4.3-25.11.1

{
    "binaries": [
        {
            "xorg-x11-Xvnc": "1.4.3-25.11.1",
            "tigervnc": "1.4.3-25.11.1"
        }
    ]
}