CVE-2018-12291
published 2018-06-13CVE-2018-12291: The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where…
PriorityP340high7.5CVSS 3.0
AVNACLPRNUINSUCHINAN
EPSS
1.80%
76.1th percentile
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | matrix-synapse | < matrix-synapse 0.31.1+dfsg-1 (forky) | matrix-synapse 0.31.1+dfsg-1 (forky) |
| matrix | synapse | < 0.31.1 | 0.31.1 |
CVSS provenance
nvdv3.07.5HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
osv7.5HIGH
vendor_debian7.5HIGH
vendor_ubuntu7.5HIGH
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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
GHSA
Matrix Synapse Security Filtering Flaw
ghsa·2022-05-13
CVE-2018-12291 [HIGH] Matrix Synapse Security Filtering Flaw
Matrix Synapse Security Filtering Flaw
The `on_get_missing_events` function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
OSV
Matrix Synapse Security Filtering Flaw
osv·2022-05-13
CVE-2018-12291 [HIGH] Matrix Synapse Security Filtering Flaw
Matrix Synapse Security Filtering Flaw
The `on_get_missing_events` function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
OSV
CVE-2018-12291: The on_get_missing_events function in handlers/federation
osv·2018-06-13·CVSS 7.5
CVE-2018-12291 [HIGH] CVE-2018-12291: The on_get_missing_events function in handlers/federation
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
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-2018-12291: matrix-synapse - The on_get_missing_events function in handlers/federation.py in Matrix Synapse b...
vendor_debian·2018·CVSS 7.5
CVE-2018-12291 [HIGH] CVE-2018-12291: matrix-synapse - The on_get_missing_events function in handlers/federation.py in Matrix Synapse b...
The on_get_missing_events function in handlers/federation.py in Matrix Synapse before 0.31.1 has a security bug in the get_missing_events federation API where event visibility rules were not applied correctly.
Scope: local
forky: resolved (fixed in 0.31.1+dfsg-1)
sid: resolved (fixed in 0.31.1+dfsg-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py
bugzilla·2018-06-12·CVSS 7.5
CVE-2018-12291 [HIGH] CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py
CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py
Matrix Synapse before version 0.31.1 does not properly apply event visibility rules leading to information exposure.
External Reference:
https://matrix.org/blog/2018/06/08/synapse-0-31-1-released/
Upstream Patch:
https://github.com/matrix-org/synapse/pull/3371
Discussion:
Created matrix-synapse tracking bugs for this issue:
Affects: fedora-all [bug 1590102]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Bugzilla
CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py [fedora-all]
bugzilla·2018-06-12·CVSS 7.5
CVE-2018-12291 [HIGH] CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py [fedora-all]
CVE-2018-12291 matrix-synapse: Missing event filtering in handlers/federation.py [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple su
2018-06-13
Published