CVE-2017-7395
tigervnc: Integer overflow in SMsgReader::readClientCutText
Severity Score
6.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), by causing an integer overflow, an authenticated client can crash the server.
En TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), provocando un desbordamiento de entero, un cliente autenticado puede bloquear el servidor.
An integer overflow flaw was found in the way TigerVNC handled ClientCutText messages. A remote, authenticated attacker could use this flaw to make Xvnc crash by sending specially crafted ClientCutText messages, resulting in denial of service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2017-03-31 CVE Reserved
- 2017-04-01 CVE Published
- 2023-03-07 EPSS Updated
- 2024-08-05 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-190: Integer Overflow or Wraparound
CAPEC
References (7)
URL | Tag | Source |
---|---|---|
http://www.securityfocus.com/bid/97305 | Vdb Entry |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://github.com/TigerVNC/tigervnc/pull/436 | 2018-01-13 | |
https://github.com/TigerVNC/tigervnc/pull/436/commits/bf3bdac082978ca32895a4b6a123016094905689 | 2018-01-13 |
URL | Date | SRC |
---|---|---|
https://access.redhat.com/errata/RHSA-2017:2000 | 2018-01-13 | |
https://security.gentoo.org/glsa/201801-13 | 2018-01-13 | |
https://access.redhat.com/security/cve/CVE-2017-7395 | 2017-08-01 | |
https://bugzilla.redhat.com/show_bug.cgi?id=1438701 | 2017-08-01 |