Search criteria
33 vulnerabilities found for tightvnc by tightvnc
FKIE_CVE-2023-27830
Vulnerability from fkie_nvd - Published: 2023-04-12 15:15 - Updated: 2025-02-08 03:15
Severity ?
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
9.0 (Critical) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Summary
TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.
References
| URL | Tags | ||
|---|---|---|---|
| cve@mitre.org | https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce | Exploit, Third Party Advisory | |
| cve@mitre.org | https://www.tightvnc.com/news.php | Product, Release Notes | |
| cve@mitre.org | https://www.tightvnc.com/whatsnew.php | Product, Release Notes | |
| af854a3a-2127-422b-91ae-364da2661108 | https://medium.com/nestedif/vulnerability-disclosure-privilege-escalation-tightvnc-8165208cce | Exploit, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.tightvnc.com/news.php | Product, Release Notes | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.tightvnc.com/whatsnew.php | Product, Release Notes |
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"published": "2023-04-12T15:15:12.830",
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FKIE_CVE-2021-42785
Vulnerability from fkie_nvd - Published: 2021-11-23 22:15 - Updated: 2024-11-21 06:28
Severity ?
Summary
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
References
| URL | Tags | ||
|---|---|---|---|
| cve_disclosure@tech.gov.sg | https://www.tightvnc.com/whatsnew.php | Release Notes, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.tightvnc.com/whatsnew.php | Release Notes, Vendor Advisory |
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FKIE_CVE-2019-8287
Vulnerability from fkie_nvd - Published: 2019-10-29 19:15 - Updated: 2024-11-21 04:49
Severity ?
Summary
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
References
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"lastModified": "2024-11-21T04:49:39.010",
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FKIE_CVE-2019-15680
Vulnerability from fkie_nvd - Published: 2019-10-29 19:15 - Updated: 2024-11-21 04:29
Severity ?
Summary
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
References
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FKIE_CVE-2019-15678
Vulnerability from fkie_nvd - Published: 2019-10-29 19:15 - Updated: 2024-11-21 04:29
Severity ?
Summary
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.
References
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"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://www.openwall.com/lists/oss-security/2018/12/10/5"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08"
},
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}
],
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"vulnStatus": "Modified",
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],
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"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-787"
}
],
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"type": "Primary"
}
]
}
FKIE_CVE-2019-15679
Vulnerability from fkie_nvd - Published: 2019-10-29 19:15 - Updated: 2024-11-21 04:29
Severity ?
Summary
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
References
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"source": "vulnerability@kaspersky.com",
"url": "https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html"
},
{
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"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08"
},
{
"source": "vulnerability@kaspersky.com",
"tags": [
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"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf"
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"type": "Secondary"
},
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"value": "CWE-787"
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FKIE_CVE-2009-0388
Vulnerability from fkie_nvd - Published: 2009-02-04 19:30 - Updated: 2025-04-09 00:30
Severity ?
Summary
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
References
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},
{
"lang": "es",
"value": "Errores m\u00faltiples de signo de entero en (1) UltraVNC v1.0.2 y v1.0.5 y (2) TightVnc v1.3.9 permiten a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de la cabecera y ca\u00edda de la aplicaci\u00f3n) o posiblemente ejecutar codigo de su elecci\u00f3n mediante un valor de gran longitud en un mensaje, en relaci\u00f3n con las funciones (a) ClientConnection::CheckBufferSize y (b) ClientConnection::CheckFileZipBufferSize en ClientConnection.cpp."
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],
"id": "CVE-2009-0388",
"lastModified": "2025-04-09T00:30:58.490",
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"url": "http://forum.ultravnc.info/viewtopic.php?t=14654"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/33807"
},
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"url": "http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev\u0026revision=3564"
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"tags": [
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},
{
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"url": "http://www.securityfocus.com/archive/1/500632/100/0/threaded"
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{
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"url": "https://www.exploit-db.com/exploits/7990"
},
{
"source": "cve@mitre.org",
"url": "https://www.exploit-db.com/exploits/8024"
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"url": "http://secunia.com/advisories/33807"
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"url": "http://vnc-tight.svn.sourceforge.net/viewvc/vnc-tight?view=rev\u0026revision=3564"
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"url": "http://www.vupen.com/english/advisories/2009/0321"
},
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"url": "http://www.vupen.com/english/advisories/2009/0322"
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"url": "https://www.exploit-db.com/exploits/7990"
},
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"url": "https://www.exploit-db.com/exploits/8024"
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"vulnStatus": "Deferred",
"weaknesses": [
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]
}
FKIE_CVE-2002-1511
Vulnerability from fkie_nvd - Published: 2003-03-03 05:00 - Updated: 2025-04-03 01:03
Severity ?
Summary
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
References
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],
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"lastModified": "2025-04-03T01:03:51.193",
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"url": "http://changelogs.credativ.org/debian/pool/main/v/vnc/vnc_3.3.6-3/changelog"
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"url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000640"
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{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-200302-15.xml"
},
{
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"url": "http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/56161"
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{
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"tags": [
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"url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"
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"url": "http://www.redhat.com/support/errata/RHSA-2003-068.html"
},
{
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"url": "http://www.securityfocus.com/bid/6905"
},
{
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"url": "http://changelogs.credativ.org/debian/pool/main/v/vnc/vnc_3.3.6-3/changelog"
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"url": "http://security.gentoo.org/glsa/glsa-200302-15.xml"
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},
{
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"url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"
},
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},
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"url": "http://www.redhat.com/support/errata/RHSA-2003-068.html"
},
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}
FKIE_CVE-2002-1848
Vulnerability from fkie_nvd - Published: 2002-12-31 05:00 - Updated: 2025-04-03 01:03
Severity ?
Summary
TightVNC before 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog, which could allow local users to access passwords.
References
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},
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],
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}
],
"id": "CVE-2002-1848",
"lastModified": "2025-04-03T01:03:51.193",
"metrics": {
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FKIE_CVE-2002-1336
Vulnerability from fkie_nvd - Published: 2002-12-11 05:00 - Updated: 2025-04-03 01:03
Severity ?
Summary
TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
References
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CVE-2023-27830 (GCVE-0-2023-27830)
Vulnerability from cvelistv5 – Published: 2023-04-12 00:00 – Updated: 2025-02-08 02:40
VLAI?
Summary
TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.
Severity ?
9 (Critical)
CWE
- n/a
Assigner
References
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CVE-2021-42785 (GCVE-0-2021-42785)
Vulnerability from cvelistv5 – Published: 2021-11-23 21:37 – Updated: 2024-08-04 03:38
VLAI?
Title
Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59
Summary
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
Severity ?
No CVSS data available.
CWE
- CWE-120 - Buffer Overflow
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| GlavSoft LLC | TightVNC Viewer |
Affected:
2.8.59 , ≤ 2.8.59
(custom)
|
Credits
Eugene Lim from Government Technology Agency of Singapore
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CVE-2019-15680 (GCVE-0-2019-15680)
Vulnerability from cvelistv5 – Published: 2019-10-29 16:45 – Updated: 2024-08-05 00:56
VLAI?
Summary
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2019-15679 (GCVE-0-2019-15679)
Vulnerability from cvelistv5 – Published: 2019-10-29 16:45 – Updated: 2024-08-05 00:56
VLAI?
Summary
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-15678 (GCVE-0-2019-15678)
Vulnerability from cvelistv5 – Published: 2019-10-29 16:44 – Updated: 2024-08-05 00:56
VLAI?
Summary
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
| URL | Tags | |||||||||||||
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CVE-2019-8287 (GCVE-0-2019-8287)
Vulnerability from cvelistv5 – Published: 2019-10-29 16:43 – Updated: 2024-08-04 21:17
VLAI?
Summary
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2009-0388 (GCVE-0-2009-0388)
Vulnerability from cvelistv5 – Published: 2009-02-04 19:00 – Updated: 2024-08-07 04:31
VLAI?
Summary
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2002-1848 (GCVE-0-2002-1848)
Vulnerability from cvelistv5 – Published: 2005-06-28 04:00 – Updated: 2024-09-16 20:27
VLAI?
Summary
TightVNC before 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog, which could allow local users to access passwords.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2002-1511 (GCVE-0-2002-1511)
Vulnerability from cvelistv5 – Published: 2004-09-01 04:00 – Updated: 2024-08-08 03:26
VLAI?
Summary
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
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CVE-2002-1336 (GCVE-0-2002-1336)
Vulnerability from cvelistv5 – Published: 2004-09-01 04:00 – Updated: 2024-08-08 03:19
VLAI?
Summary
TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2023-27830 (GCVE-0-2023-27830)
Vulnerability from nvd – Published: 2023-04-12 00:00 – Updated: 2025-02-08 02:40
VLAI?
Summary
TightVNC before v2.8.75 allows attackers to escalate privileges on the host operating system via replacing legitimate files with crafted files when executing a file transfer. This is due to the fact that TightVNC runs in the backend as a high-privileges account.
Severity ?
9 (Critical)
CWE
- n/a
Assigner
References
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CVE-2021-42785 (GCVE-0-2021-42785)
Vulnerability from nvd – Published: 2021-11-23 21:37 – Updated: 2024-08-04 03:38
VLAI?
Title
Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59
Summary
Buffer Overflow vulnerability in tvnviewer.exe of TightVNC Viewer allows a remote attacker to execute arbitrary instructions via a crafted FramebufferUpdate packet from a VNC server.
Severity ?
No CVSS data available.
CWE
- CWE-120 - Buffer Overflow
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| GlavSoft LLC | TightVNC Viewer |
Affected:
2.8.59 , ≤ 2.8.59
(custom)
|
Credits
Eugene Lim from Government Technology Agency of Singapore
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CVE-2019-15680 (GCVE-0-2019-15680)
Vulnerability from nvd – Published: 2019-10-29 16:45 – Updated: 2024-08-05 00:56
VLAI?
Summary
TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2019-15679 (GCVE-0-2019-15679)
Vulnerability from nvd – Published: 2019-10-29 16:45 – Updated: 2024-08-05 00:56
VLAI?
Summary
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
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CVE-2019-15678 (GCVE-0-2019-15678)
Vulnerability from nvd – Published: 2019-10-29 16:44 – Updated: 2024-08-05 00:56
VLAI?
Summary
TightVNC code version 1.3.10 contains heap buffer overflow in rfbServerCutText handler, which can potentially result code execution.. This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
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CVE-2019-8287 (GCVE-0-2019-8287)
Vulnerability from nvd – Published: 2019-10-29 16:43 – Updated: 2024-08-04 21:17
VLAI?
Summary
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Severity ?
No CVSS data available.
CWE
- CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
References
| URL | Tags | |||||||||||||
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CVE-2009-0388 (GCVE-0-2009-0388)
Vulnerability from nvd – Published: 2009-02-04 19:00 – Updated: 2024-08-07 04:31
VLAI?
Summary
Multiple integer signedness errors in (1) UltraVNC 1.0.2 and 1.0.5 and (2) TightVnc 1.3.9 allow remote VNC servers to cause a denial of service (heap corruption and application crash) or possibly execute arbitrary code via a large length value in a message, related to the (a) ClientConnection::CheckBufferSize and (b) ClientConnection::CheckFileZipBufferSize functions in ClientConnection.cpp.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2002-1848 (GCVE-0-2002-1848)
Vulnerability from nvd – Published: 2005-06-28 04:00 – Updated: 2024-09-16 20:27
VLAI?
Summary
TightVNC before 1.2.4 running on Windows stores unencrypted passwords in the password text control of the WinVNC Properties dialog, which could allow local users to access passwords.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
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CVE-2002-1511 (GCVE-0-2002-1511)
Vulnerability from nvd – Published: 2004-09-01 04:00 – Updated: 2024-08-08 03:26
VLAI?
Summary
The vncserver wrapper for vnc before 3.3.3r2-21 uses the rand() function instead of srand(), which causes vncserver to generate weak cookies.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
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CVE-2002-1336 (GCVE-0-2002-1336)
Vulnerability from nvd – Published: 2004-09-01 04:00 – Updated: 2024-08-08 03:19
VLAI?
Summary
TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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}
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"value": "TightVNC before 1.2.6 generates the same challenge string for multiple connections, which allows remote attackers to bypass VNC authentication by sniffing the challenge and response of other users."
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{
"name": "vnc-weak-authentication(5992)",
"refsource": "XF",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/5992"
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{
"name": "RHSA-2002:287",
"refsource": "REDHAT",
"url": "http://www.redhat.com/support/errata/RHSA-2002-287.html"
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{
"name": "20020724 VNC authentication weakness",
"refsource": "BUGTRAQ",
"url": "http://marc.info/?l=bugtraq\u0026m=102753170201524\u0026w=2"
},
{
"name": "RHSA-2003:041",
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"url": "http://www.redhat.com/support/errata/RHSA-2003-041.html"
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{
"name": "MDKSA-2003:022",
"refsource": "MANDRAKE",
"url": "http://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:022"
},
{
"name": "CLA-2003:640",
"refsource": "CONECTIVA",
"url": "http://distro.conectiva.com.br/atualizacoes/?id=a\u0026anuncio=000640"
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{
"name": "http://www.tightvnc.com/WhatsNew.txt",
"refsource": "CONFIRM",
"url": "http://www.tightvnc.com/WhatsNew.txt"
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{
"name": "20020726 RE: VNC authentication weakness",
"refsource": "BUGTRAQ",
"url": "http://marc.info/?l=bugtraq\u0026m=102769183913594\u0026w=2"
},
{
"name": "5296",
"refsource": "BID",
"url": "http://www.securityfocus.com/bid/5296"
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]
}
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"cveMetadata": {
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"assignerShortName": "mitre",
"cveId": "CVE-2002-1336",
"datePublished": "2004-09-01T04:00:00",
"dateReserved": "2002-12-02T00:00:00",
"dateUpdated": "2024-08-08T03:19:28.608Z",
"state": "PUBLISHED"
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