CVE-2017-18898
published 2020-06-19CVE-2017-18898: An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
PriorityP424medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
1.10%
62.2th percentile
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 4.0.5 | 4.0.5 |
| github.com | mattermost_mattermost-server | >= 0 < 4.0.5+incompatible | 4.0.5+incompatible |
| github.com | mattermost_mattermost-server | >= 4.1.0 < 4.1.1 | 4.1.1 |
| github.com | mattermost_mattermost-server | >= 4.1.0+incompatible < 4.1.1+incompatible | 4.1.1+incompatible |
| github.com | mattermost_mattermost-server | >= 4.2.0-rc1 < 4.2.0 | 4.2.0 |
| github.com | mattermost_mattermost-server | >= 4.2.0-rc1+incompatible < 4.2.0+incompatible | 4.2.0+incompatible |
| mattermost | mattermost_server | < 4.0.5 | 4.0.5 |
| mattermost | mattermost_server | — | — |
| mattermost | mattermost_server | >= 4.1.0 < 4.1.1 | 4.1.1 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
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OSV
Mattermost Server is vulnerable to DoS through maliciously crafted posts in github.com/mattermost/mattermost-server
osv·2026-01-13
CVE-2017-18898 Mattermost Server is vulnerable to DoS through maliciously crafted posts in github.com/mattermost/mattermost-server
Mattermost Server is vulnerable to DoS through maliciously crafted posts in github.com/mattermost/mattermost-server
Mattermost Server is vulnerable to DoS through maliciously crafted posts in github.com/mattermost/mattermost-server
GHSA
Mattermost Server is vulnerable to DoS through maliciously crafted posts
ghsa·2022-05-24
CVE-2017-18898 [MEDIUM] CWE-404 Mattermost Server is vulnerable to DoS through maliciously crafted posts
Mattermost Server is vulnerable to DoS through maliciously crafted posts
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
OSV
Mattermost Server is vulnerable to DoS through maliciously crafted posts
osv·2022-05-24
CVE-2017-18898 [MEDIUM] Mattermost Server is vulnerable to DoS through maliciously crafted posts
Mattermost Server is vulnerable to DoS through maliciously crafted posts
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-06-19
Published