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.
Metrics
CVSS 3.1 8.8/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa14ca03b16c9de821f9876def7a36aPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00018.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2FLWSVH32O6JXLRQBYDQLP7XRSTLUPQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MHVXHZE3YIP4RTWGQ24IDBSW44XPRDOC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZL6NQTNK5PT63D2JX5YVV5OLUL76S5C/
- https://www.debian.org/security/2020/dsa-4799Third Party Advisory
- https://github.com/LibVNC/x11vnc/commit/69eeb9f7baa14ca03b16c9de821f9876def7a36aPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00018.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/H2FLWSVH32O6JXLRQBYDQLP7XRSTLUPQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MHVXHZE3YIP4RTWGQ24IDBSW44XPRDOC/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PZL6NQTNK5PT63D2JX5YVV5OLUL76S5C/
- https://www.debian.org/security/2020/dsa-4799Third Party Advisory
Timeline
- Published
- Nov 25, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified