CVE-2018-12423
published 2018-06-14CVE-2018-12423: In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
PriorityP336high7.5CVSS 3.0
AVNACLPRNUINSUCNIHAN
EPSS
1.82%
76.4th percentile
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | matrix-synapse | < matrix-synapse 0.31.2+dfsg-1 (forky) | matrix-synapse 0.31.2+dfsg-1 (forky) |
| matrix | synapse | < 0.31.2 | 0.31.2 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
osv7.5HIGH
vendor_debian7.5HIGH
vendor_ubuntu7.5HIGH
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Ubuntu
Synapse vulnerabilities
vendor_ubuntu·2023-05-16·CVSS 7.5
CVE-2019-5885 [HIGH] Synapse vulnerabilities
Title: Synapse vulnerabilities
Summary: Several security issues were fixed in Synapse.
It was discovered that Synapse incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service. (CVE-2019-18835, CVE-2018-12291, CVE-2018-10657)
It was discovered that Synapse incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to hijack the
session. (CVE-2019-11842, CVE-2018-12423)
It was discovered that Synapse incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a re
Debian
CVE-2018-12423: matrix-synapse - In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m...
vendor_debian·2018·CVSS 7.5
CVE-2018-12423 [HIGH] CVE-2018-12423: matrix-synapse - In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m...
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
Scope: local
forky: resolved (fixed in 0.31.2+dfsg-1)
sid: resolved (fixed in 0.31.2+dfsg-1)
OSV
matrix-synapse vulnerabilities
osv·2023-05-16·CVSS 7.5
CVE-2019-18835 [HIGH] matrix-synapse vulnerabilities
matrix-synapse vulnerabilities
It was discovered that Synapse incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to cause a
denial of service. (CVE-2019-18835, CVE-2018-12291, CVE-2018-10657)
It was discovered that Synapse incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to hijack the
session. (CVE-2019-11842, CVE-2018-12423)
It was discovered that Synapse incorrectly handled certain inputs. If a
user or an automated system were tricked into opening a specially crafted
input file, a remote attacker could possibly use this issue to perform
sp
OSV
Matrix Synapse Authorization Error
osv·2022-05-13
CVE-2018-12423 [HIGH] Matrix Synapse Authorization Error
Matrix Synapse Authorization Error
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no `m.room.power_levels` event in force.
GHSA
Matrix Synapse Authorization Error
ghsa·2022-05-13
CVE-2018-12423 [HIGH] Matrix Synapse Authorization Error
Matrix Synapse Authorization Error
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no `m.room.power_levels` event in force.
OSV
CVE-2018-12423: In Synapse before 0
osv·2018-06-14·CVSS 7.5
CVE-2018-12423 [HIGH] CVE-2018-12423: In Synapse before 0
In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2018-06-14
Published