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ubuntucveUbuntu.comUB:CVE-2019-18835
HistoryNov 08, 2019 - 12:00 a.m.

CVE-2019-18835

2019-11-0800:00:00
ubuntu.com
ubuntu.com
13

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

61.8%

JSON

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmatrix-synapse< 0.24.0+dfsg-1ubuntu0.1~esm1UNKNOWN

Related

osv 4
debiancve 1
cvelist 1
prion 1
github 1
nvd 1
cve 1
nessus 1
ubuntu 1
openvas 1
osv
osv
CVE-2019-18835
2019-11-08 00:15:10
PYSEC-2019-186
2019-11-08 00:15:00
Improper Verification of Cryptographic Signature in matrix-synapse
2022-05-24 22:01:05
debiancve
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CVE-2019-18835
2019-11-08 00:15:10
cvelist
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CVE-2019-18835
2019-11-07 23:12:07
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prion
Code injection
2019-11-08 00:15:00
github
github
Improper Verification of Cryptographic Signature in matrix-synapse
2022-05-24 22:01:05
nvd
nvd
CVE-2019-18835
2019-11-08 00:15:10
cve
cve
CVE-2019-18835
2019-11-08 00:15:10
nessus
nessus
Ubuntu 18.04 ESM : Synapse vulnerabilities (USN-6076-1)
2023-05-16 00:00:00
ubuntu
ubuntu
Synapse vulnerabilities
2023-05-16 00:00:00
openvas
openvas
Ubuntu: Security Advisory (USN-6076-1)
2023-05-17 00:00:00

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.002

Percentile

61.8%

JSON
Related for UB:CVE-2019-18835
osv4debiancve1cvelist1prion1github1nvd1cve1nessus1ubuntu1openvas1