CVE-2020-29074
High
Description
scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user.
SeverityHigh
CVSS8.8
Exploit probability—
Product
X11vnc
PublishedNov 25, 2020
First seenNov 25, 2020
How to fix
Vendor advisories
- debian.org/security/2020/dsa-4799
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MHVXHZE3YIP4RTWGQ24IDBSW44XPRDOC/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2FLWSVH32O6JXLRQBYDQLP7XRSTLUPQ/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZL6NQTNK5PT63D2JX5YVV5OLUL76S5C/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| x11vnc_project x11vnc | 0.9.16 | — |
| fedoraproject fedora | 32, 33, 34 | — |
| debian debian_linux | 9.0, 10.0 | — |
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