CVE-2019-18835
published 2019-11-08CVE-2019-18835: Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly…
PriorityP338critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.86%
54.5th percentile
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | matrix-synapse | < matrix-synapse 1.5.0-1 (forky) | matrix-synapse 1.5.0-1 (forky) |
| matrix | synapse | < 1.5.0 | 1.5.0 |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
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
OSV
Improper Verification of Cryptographic Signature in matrix-synapse
osv·2022-05-24
CVE-2019-18835 [HIGH] Improper Verification of Cryptographic Signature in matrix-synapse
Improper Verification of Cryptographic Signature in matrix-synapse
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over `/send_join`, `/send_leave`, and `/invite` may not be correctly signed, or may not come from the expected servers.
GHSA
Improper Verification of Cryptographic Signature in matrix-synapse
ghsa·2022-05-24
CVE-2019-18835 [HIGH] CWE-347 Improper Verification of Cryptographic Signature in matrix-synapse
Improper Verification of Cryptographic Signature in matrix-synapse
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over `/send_join`, `/send_leave`, and `/invite` may not be correctly signed, or may not come from the expected servers.
OSV
CVE-2019-18835: Matrix Synapse before 1
osv·2019-11-08·CVSS 9.8
CVE-2019-18835 [CRITICAL] CVE-2019-18835: Matrix Synapse before 1
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
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-2019-18835: matrix-synapse - Matrix Synapse before 1.5.0 mishandles signature checking on some federation API...
vendor_debian·2019·CVSS 9.8
CVE-2019-18835 [CRITICAL] CVE-2019-18835: matrix-synapse - Matrix Synapse before 1.5.0 mishandles signature checking on some federation API...
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
Scope: local
forky: resolved (fixed in 1.5.0-1)
sid: resolved (fixed in 1.5.0-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-18835 matrix-synapse: mishandles signature checking on some federation APIs [fedora-all]
bugzilla·2019-11-08·CVSS 9.8
CVE-2019-18835 [CRITICAL] CVE-2019-18835 matrix-synapse: mishandles signature checking on some federation APIs [fedora-all]
CVE-2019-18835 matrix-synapse: mishandles signature checking on some federation APIs [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 multipl
Bugzilla
CVE-2019-18835 matrix-synapse: mishandles signature checking on some federation APIs
bugzilla·2019-11-08·CVSS 9.8
CVE-2019-18835 [CRITICAL] CVE-2019-18835 matrix-synapse: mishandles signature checking on some federation APIs
CVE-2019-18835 matrix-synapse: mishandles signature checking on some federation APIs
Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /send_join, /send_leave, and /invite may not be correctly signed, or may not come from the expected servers.
Reference:
https://github.com/matrix-org/synapse/pull/6262
Discussion:
Created matrix-synapse tracking bugs for this issue:
Affects: fedora-all [bug 1770334]
---
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.
2019-11-08
Published