VulnerabilityModified
CVE-2017-7394
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
HIGH 7.5EPSS 1.61%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.61% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- tigervnc/tigervnc
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/97305
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/pull/440Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201801-13
- http://www.securityfocus.com/bid/97305
- https://access.redhat.com/errata/RHSA-2017:2000
- https://github.com/TigerVNC/tigervnc/pull/440Issue Tracking, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201801-13
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.