Vulnerabilites related to tigervnc - tigervnc
cve-2017-7395
Vulnerability from cvelistv5
Published
2017-04-01 01:07
Modified
2024-08-05 16:04
Severity ?
EPSS score ?
Summary
In TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), by causing an integer overflow, an authenticated client can crash the server.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/TigerVNC/tigervnc/pull/436 | x_refsource_CONFIRM | |
| https://access.redhat.com/errata/RHSA-2017:2000 | vendor-advisory, x_refsource_REDHAT | |
| http://www.securityfocus.com/bid/97305 | vdb-entry, x_refsource_BID | |
| https://github.com/TigerVNC/tigervnc/pull/436/commits/bf3bdac082978ca32895a4b6a123016094905689 | x_refsource_CONFIRM | |
| https://security.gentoo.org/glsa/201801-13 | vendor-advisory, x_refsource_GENTOO |
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cve-2024-0408
Vulnerability from cvelistv5
Published
2024-01-18 15:40
Modified
2024-11-23 02:52
Severity ?
EPSS score ?
Summary
A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:0320 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2169 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2170 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2995 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2996 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2024-0408 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2257689 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ |
Version: 21.1.0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||
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cve-2014-0011
Vulnerability from cvelistv5
Published
2020-01-02 19:34
Modified
2024-08-06 08:58
Severity ?
EPSS score ?
Summary
Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before 1.3.1, when NDEBUG is enabled, allow remote VNC servers to cause a denial of service (vncviewer crash) and possibly execute arbitrary code via vectors related to screen image rendering.
References
| ▼ | URL | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1050928 | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.3.1 | x_refsource_CONFIRM |
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cve-2017-7392
Vulnerability from cvelistv5
Published
2017-04-01 01:07
Modified
2024-08-05 16:04
Severity ?
EPSS score ?
Summary
In TigerVNC 1.7.1 (SSecurityVeNCrypt.cxx SSecurityVeNCrypt::SSecurityVeNCrypt), an unauthenticated client can cause a small memory leak in the server.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2017:2000 | vendor-advisory, x_refsource_REDHAT | |
| https://github.com/TigerVNC/tigervnc/pull/441 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/97305 | vdb-entry, x_refsource_BID | |
| https://security.gentoo.org/glsa/201801-13 | vendor-advisory, x_refsource_GENTOO |
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cve-2019-15691
Vulnerability from cvelistv5
Published
2019-12-26 14:52
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/CendioOssman/tigervnc/commit/d61a767d6842b530ffb532ddd5a3d233119aad40 | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2019/12/20/2 | mailing-list, x_refsource_MLIST | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html | vendor-advisory, x_refsource_SUSE |
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cve-2017-5581
Vulnerability from cvelistv5
Published
2017-02-28 18:00
Modified
2024-08-05 15:04
Severity ?
EPSS score ?
Summary
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
References
| ▼ | URL | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2017/01/22/1 | mailing-list, x_refsource_MLIST | |
| http://rhn.redhat.com/errata/RHSA-2017-0630.html | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2017:2000 | vendor-advisory, x_refsource_REDHAT | |
| https://security.gentoo.org/glsa/201702-19 | vendor-advisory, x_refsource_GENTOO | |
| https://github.com/TigerVNC/tigervnc/pull/399 | x_refsource_CONFIRM | |
| https://github.com/TigerVNC/tigervnc/commit/18c020124ff1b2441f714da2017f63dba50720ba | x_refsource_CONFIRM | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.7.1 | x_refsource_CONFIRM | |
| http://www.openwall.com/lists/oss-security/2017/01/25/6 | mailing-list, x_refsource_MLIST | |
| http://www.securityfocus.com/bid/95789 | vdb-entry, x_refsource_BID |
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cve-2019-15692
Vulnerability from cvelistv5
Published
2019-12-26 14:55
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/CendioOssman/tigervnc/commit/996356b6c65ca165ee1ea46a571c32a1dc3c3821 | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2019/12/20/2 | mailing-list, x_refsource_MLIST | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html | vendor-advisory, x_refsource_SUSE |
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cve-2014-8241
Vulnerability from cvelistv5
Published
2016-12-14 22:00
Modified
2024-08-06 13:10
Severity ?
EPSS score ?
Summary
XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.
References
| ▼ | URL | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2014/q4/278 | mailing-list, x_refsource_MLIST | |
| https://rhn.redhat.com/errata/RHSA-2015-2233.html | vendor-advisory, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1151312 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/70390 | vdb-entry, x_refsource_BID | |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html | x_refsource_CONFIRM | |
| http://seclists.org/oss-sec/2014/q4/300 | mailing-list, x_refsource_MLIST | |
| http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html | x_refsource_CONFIRM |
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cve-2019-15693
Vulnerability from cvelistv5
Published
2019-12-26 14:57
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95 | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2019/12/20/2 | mailing-list, x_refsource_MLIST | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html | vendor-advisory, x_refsource_SUSE |
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cve-2019-15695
Vulnerability from cvelistv5
Published
2019-12-26 15:24
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2019/12/20/2 | mailing-list, x_refsource_MLIST | |
| https://github.com/CendioOssman/tigervnc/commit/05e28490873a861379c943bf616614b78b558b89 | x_refsource_MISC | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html | vendor-advisory, x_refsource_SUSE |
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cve-2024-0409
Vulnerability from cvelistv5
Published
2024-01-18 15:40
Modified
2024-11-23 02:52
Severity ?
EPSS score ?
Summary
A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2024:0320 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2169 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2170 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2995 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2024:2996 | vendor-advisory, x_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2024-0409 | vdb-entry, x_refsource_REDHAT | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2257690 | issue-tracking, x_refsource_REDHAT |
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ |
Version: 21.1.0 ≤ |
||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||
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cve-2023-6377
Vulnerability from cvelistv5
Published
2023-12-13 06:27
Modified
2024-11-23 02:51
Severity ?
EPSS score ?
Summary
A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:1.8.0-28.el7_9 < * cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::computenode cpe:/o:redhat:enterprise_linux:7::workstation cpe:/o:redhat:enterprise_linux:7::client |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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cve-2016-10207
Vulnerability from cvelistv5
Published
2017-02-28 18:00
Modified
2024-08-06 03:14
Severity ?
EPSS score ?
Summary
The Xvnc server in TigerVNC allows remote attackers to cause a denial of service (invalid memory access and crash) by terminating a TLS handshake early.
References
| ▼ | URL | Tags |
|---|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1023012 | x_refsource_CONFIRM | |
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| http://www.securityfocus.com/bid/96012 | vdb-entry, x_refsource_BID | |
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cve-2023-6478
Vulnerability from cvelistv5
Published
2023-12-13 06:27
Modified
2024-11-23 02:52
Severity ?
EPSS score ?
Summary
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ▼ | Red Hat | Red Hat Enterprise Linux 7 |
Unaffected: 0:1.8.0-28.el7_9 < * cpe:/o:redhat:enterprise_linux:7::client cpe:/o:redhat:enterprise_linux:7::server cpe:/o:redhat:enterprise_linux:7::computenode cpe:/o:redhat:enterprise_linux:7::workstation |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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cve-2017-7396
Vulnerability from cvelistv5
Published
2017-04-01 01:07
Modified
2024-08-05 16:04
Severity ?
EPSS score ?
Summary
In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.
References
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|---|---|---|
| https://github.com/TigerVNC/tigervnc/pull/436 | x_refsource_CONFIRM | |
| https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0 | x_refsource_CONFIRM | |
| https://access.redhat.com/errata/RHSA-2017:2000 | vendor-advisory, x_refsource_REDHAT | |
| http://www.securityfocus.com/bid/97305 | vdb-entry, x_refsource_BID | |
| https://security.gentoo.org/glsa/201801-13 | vendor-advisory, x_refsource_GENTOO |
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cve-2014-8240
Vulnerability from cvelistv5
Published
2014-10-16 19:00
Modified
2024-08-06 13:10
Severity ?
EPSS score ?
Summary
Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.
References
| ▼ | URL | Tags |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1151307 | x_refsource_MISC | |
| http://seclists.org/oss-sec/2014/q4/278 | mailing-list, x_refsource_MLIST | |
| https://security.gentoo.org/glsa/201612-36 | vendor-advisory, x_refsource_GENTOO | |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html | x_refsource_CONFIRM | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/96947 | vdb-entry, x_refsource_XF | |
| http://www.securityfocus.com/bid/70391 | vdb-entry, x_refsource_BID | |
| http://seclists.org/oss-sec/2014/q4/300 | mailing-list, x_refsource_MLIST | |
| http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html | x_refsource_CONFIRM |
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cve-2019-15694
Vulnerability from cvelistv5
Published
2019-12-26 14:59
Modified
2024-08-05 00:56
Severity ?
EPSS score ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/CendioOssman/tigervnc/commit/0943c006c7d900dfc0281639e992791d6c567438 | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1 | x_refsource_MISC | |
| https://www.openwall.com/lists/oss-security/2019/12/20/2 | mailing-list, x_refsource_MLIST | |
| http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html | vendor-advisory, x_refsource_SUSE |
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cve-2020-26117
Vulnerability from cvelistv5
Published
2020-09-27 03:30
Modified
2024-08-04 15:49
Severity ?
EPSS score ?
Summary
In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/TigerVNC/tigervnc/releases/tag/v1.11.0 | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/commit/f029745f63ac7d22fb91639b2cb5b3ab56134d6e | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/commit/b30f10c681ec87720cff85d490f67098568a9cba | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/commit/20dea801e747318525a5859fe4f37c52b05310cb | x_refsource_MISC | |
| https://github.com/TigerVNC/tigervnc/commit/7399eab79a4365434d26494fa1628ce1eb91562b | x_refsource_MISC | |
| https://bugzilla.opensuse.org/show_bug.cgi?id=1176733 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2020/10/msg00007.html | mailing-list, x_refsource_MLIST | |
| http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00025.html | vendor-advisory, x_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00024.html | vendor-advisory, x_refsource_SUSE |
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cve-2011-1775
Vulnerability from cvelistv5
Published
2011-05-26 18:00
Modified
2024-08-06 22:37
Severity ?
EPSS score ?
Summary
The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate.
References
| ▼ | URL | Tags |
|---|---|---|
| http://openwall.com/lists/oss-security/2011/05/06/2 | mailing-list, x_refsource_MLIST | |
| http://openwall.com/lists/oss-security/2011/05/09/7 | mailing-list, x_refsource_MLIST | |
| http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html | mailing-list, x_refsource_MLIST | |
| http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html | mailing-list, x_refsource_MLIST | |
| https://bugzilla.redhat.com/show_bug.cgi?id=702672 | x_refsource_CONFIRM | |
| http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html | vendor-advisory, x_refsource_FEDORA | |
| https://bugzilla.redhat.com/show_bug.cgi?id=702470 | x_refsource_CONFIRM | |
| http://www.redhat.com/support/errata/RHSA-2011-0871.html | vendor-advisory, x_refsource_REDHAT | |
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| http://www.securityfocus.com/bid/47738 | vdb-entry, x_refsource_BID | |
| http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html | mailing-list, x_refsource_MLIST |
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cve-2017-7393
Vulnerability from cvelistv5
Published
2017-04-01 01:07
Modified
2024-08-05 16:04
Severity ?
EPSS score ?
Summary
In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2017:2000 | vendor-advisory, x_refsource_REDHAT | |
| http://www.securityfocus.com/bid/97305 | vdb-entry, x_refsource_BID | |
| https://github.com/TigerVNC/tigervnc/pull/438 | x_refsource_CONFIRM | |
| https://security.gentoo.org/glsa/201801-13 | vendor-advisory, x_refsource_GENTOO |
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cve-2017-7394
Vulnerability from cvelistv5
Published
2017-04-01 01:07
Modified
2024-08-05 16:04
Severity ?
EPSS score ?
Summary
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
References
| ▼ | URL | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2017:2000 | vendor-advisory, x_refsource_REDHAT | |
| https://github.com/TigerVNC/tigervnc/pull/440 | x_refsource_CONFIRM | |
| http://www.securityfocus.com/bid/97305 | vdb-entry, x_refsource_BID | |
| https://security.gentoo.org/glsa/201801-13 | vendor-advisory, x_refsource_GENTOO |
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Vulnerability from fkie_nvd
Published
2017-04-01 02:59
Modified
2024-11-21 03:31
Severity ?
Summary
In TigerVNC 1.7.1 (SMsgReader.cxx SMsgReader::readClientCutText), by causing an integer overflow, an authenticated client can crash the server.
References
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}
],
"id": "CVE-2017-7395",
"lastModified": "2024-11-21T03:31:48.390",
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Vulnerability from fkie_nvd
Published
2017-04-01 02:59
Modified
2024-11-21 03:31
Severity ?
Summary
In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.
References
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Vulnerability from fkie_nvd
Published
2016-12-14 22:59
Modified
2024-11-21 02:18
Severity ?
Summary
XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| tigervnc | tigervnc | - | |
| redhat | enterprise_linux_desktop | 7.0 | |
| redhat | enterprise_linux_hpc_node | 7.0 | |
| redhat | enterprise_linux_server | 7.0 | |
| redhat | enterprise_linux_workstation | 7.0 |
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Vulnerability from fkie_nvd
Published
2020-01-02 20:15
Modified
2024-11-21 02:01
Severity ?
Summary
Multiple heap-based buffer overflows in the ZRLE_DECODE function in common/rfb/zrleDecode.h in TigerVNC before 1.3.1, when NDEBUG is enabled, allow remote VNC servers to cause a denial of service (vncviewer crash) and possibly execute arbitrary code via vectors related to screen image rendering.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| secalert@redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=1050928 | Issue Tracking, Patch, Third Party Advisory | |
| secalert@redhat.com | https://github.com/TigerVNC/tigervnc/releases/tag/v1.3.1 | Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://bugzilla.redhat.com/show_bug.cgi?id=1050928 | Issue Tracking, Patch, Third Party Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://github.com/TigerVNC/tigervnc/releases/tag/v1.3.1 | Third Party Advisory |
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Vulnerability from fkie_nvd
Published
2019-12-26 15:15
Modified
2024-11-21 04:29
Severity ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
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"source": "vulnerability@kaspersky.com",
"type": "Secondary"
},
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Vulnerability from fkie_nvd
Published
2014-10-16 19:55
Modified
2024-11-21 02:18
Severity ?
Summary
Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2023-12-13 07:15
Modified
2024-11-21 08:43
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A flaw was found in xorg-server. Querying or changing XKB button actions such as moving from a touchpad to a mouse can result in out-of-bounds memory reads and writes. This may allow local privilege escalation or possible remote code execution in cases where X11 forwarding is involved.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| redhat | enterprise_linux_eus | 9.2 | |
| debian | debian_linux | 10.0 | |
| debian | debian_linux | 11.0 | |
| debian | debian_linux | 12.0 | |
| x.org | x_server | * | |
| redhat | enterprise_linux | 6.0 | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| x.org | xwayland | * | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| tigervnc | tigervnc | - | |
| redhat | enterprise_linux | 6.0 | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20240125-0003/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://www.debian.org/security/2023/dsa-5576"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
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"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2017-04-01 02:59
Modified
2024-11-21 03:31
Severity ?
Summary
In TigerVNC 1.7.1 (VNCSConnectionST.cxx VNCSConnectionST::fence), an authenticated client can cause a double free, leading to denial of service or potentially code execution.
References
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"published": "2017-04-01T02:59:00.303",
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{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/97305"
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{
"source": "cve@mitre.org",
"url": "https://access.redhat.com/errata/RHSA-2017:2000"
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"source": "cve@mitre.org",
"tags": [
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},
{
"source": "cve@mitre.org",
"url": "https://security.gentoo.org/glsa/201801-13"
},
{
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"url": "http://www.securityfocus.com/bid/97305"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2017:2000"
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},
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"vulnStatus": "Modified",
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}
]
}
Vulnerability from fkie_nvd
Published
2024-01-18 16:15
Modified
2024-11-21 08:46
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
A flaw was found in the X.Org server. The cursor code in both Xephyr and Xwayland uses the wrong type of private at creation. It uses the cursor bits type with the cursor as private, and when initiating the cursor, that overwrites the XSELINUX context.
References
Impacted products
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},
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}
],
"id": "CVE-2024-0409",
"lastModified": "2024-11-21T08:46:31.373",
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"published": "2024-01-18T16:15:08.593",
"references": [
{
"source": "secalert@redhat.com",
"tags": [
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],
"url": "https://access.redhat.com/errata/RHSA-2024:0320"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:2169"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:2170"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:2995"
},
{
"source": "secalert@redhat.com",
"url": "https://access.redhat.com/errata/RHSA-2024:2996"
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"url": "https://access.redhat.com/errata/RHSA-2024:2169"
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"url": "https://access.redhat.com/errata/RHSA-2024:2170"
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"url": "https://access.redhat.com/errata/RHSA-2024:2995"
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"url": "https://access.redhat.com/errata/RHSA-2024:2996"
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"tags": [
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},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00016.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5J4H7CH565ALSZZYKOJFYDA5KFLG6NUK/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJBMCWQ54R6ZL3MYU2D2JBW6JMZL7BQW/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IZ75X54CN4IFYMIV7OK3JVZ57FHQIGIC/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.gentoo.org/glsa/202401-30"
},
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"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20240307-0006/"
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"value": "CWE-787"
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"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2011-05-26 18:55
Modified
2024-11-21 01:27
Severity ?
Summary
The CSecurityTLS::processMsg function in common/rfb/CSecurityTLS.cxx in the vncviewer component in TigerVNC 1.1beta1 does not properly verify the server's X.509 certificate, which allows man-in-the-middle attackers to spoof a TLS VNC server via an arbitrary certificate.
References
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},
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"value": "La funci\u00f3n CSecurityTLS::processMsg en common/rtb/CSecurityTLS.cxx en el componente vncviewer en tigervnc v1.1beta1 no verifica de forma adecuada el certificado X.509 del servidor, lo que permite a ataques de Hombre en medio (man-in-the-middle) para falsificar un servidor TSL VNC mediante un certificado de su elecci\u00f3n."
}
],
"id": "CVE-2011-1775",
"lastModified": "2024-11-21T01:27:01.443",
"metrics": {
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"version": "2.0"
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"published": "2011-05-26T18:55:02.287",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-May/060567.html"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2011/05/06/2"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2011/05/09/7"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/44939"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html"
},
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"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01345.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01347.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.redhat.com/support/errata/RHSA-2011-0871.html"
},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/47738"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702470"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702672"
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"url": "http://openwall.com/lists/oss-security/2011/05/09/7"
},
{
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"url": "http://secunia.com/advisories/44939"
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"url": "http://www.mail-archive.com/tigervnc-devel%40lists.sourceforge.net/msg01342.html"
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"url": "http://www.redhat.com/support/errata/RHSA-2011-0871.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/47738"
},
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702470"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=702672"
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"vulnStatus": "Modified",
"weaknesses": [
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"value": "CWE-20"
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"type": "Primary"
}
]
}
Vulnerability from fkie_nvd
Published
2019-12-26 15:15
Modified
2024-11-21 04:29
Severity ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
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Vulnerability from fkie_nvd
Published
2017-02-28 18:59
Modified
2024-11-21 02:43
Severity ?
Summary
The Xvnc server in TigerVNC allows remote attackers to cause a denial of service (invalid memory access and crash) by terminating a TLS handshake early.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2024-01-18 16:15
Modified
2024-11-21 08:46
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
A flaw was found in the X.Org server. The GLX PBuffer code does not call the XACE hook when creating the buffer, leaving it unlabeled. When the client issues another request to access that resource (as with a GetGeometry) or when it creates another resource that needs to access that buffer, such as a GC, the XSELINUX code will try to use an object that was never labeled and crash because the SID is NULL.
References
Impacted products
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Vulnerability from fkie_nvd
Published
2017-04-01 02:59
Modified
2024-11-21 03:31
Severity ?
Summary
In TigerVNC 1.7.1 (SSecurityVeNCrypt.cxx SSecurityVeNCrypt::SSecurityVeNCrypt), an unauthenticated client can cause a small memory leak in the server.
References
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Vulnerability from fkie_nvd
Published
2019-12-26 15:15
Modified
2024-11-21 04:29
Severity ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which could be triggered from DecodeManager::decodeRect. Vulnerability occurs due to the signdness error in processing MemOutStream. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
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Vulnerability from fkie_nvd
Published
2023-12-13 07:15
Modified
2024-11-21 08:43
Severity ?
7.6 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| x.org | x_server | * | |
| redhat | enterprise_linux | 6.0 | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| x.org | xwayland | * | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 | |
| redhat | enterprise_linux_eus | 9.2 | |
| debian | debian_linux | 10.0 | |
| debian | debian_linux | 11.0 | |
| debian | debian_linux | 12.0 | |
| tigervnc | tigervnc | - | |
| redhat | enterprise_linux | 6.0 | |
| redhat | enterprise_linux | 7.0 | |
| redhat | enterprise_linux | 8.0 | |
| redhat | enterprise_linux | 9.0 |
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"url": "https://security.netapp.com/advisory/ntap-20240125-0003/"
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}
Vulnerability from fkie_nvd
Published
2019-12-26 16:15
Modified
2024-11-21 04:29
Severity ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
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},
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"lang": "es",
"value": "TigerVNC versi\u00f3n anterior a 1.10.1, es vulnerable al desbordamiento de b\u00fafer de pila, que podr\u00eda ser activada desde la funci\u00f3n CMsgReader::readSetCursor. Esta vulnerabilidad se presenta debido al saneamiento insuficiente de PixelFormat. Dado que el atacante remoto puede elegir el desplazamiento desde el arranque del b\u00fafer para comenzar a escribir sus valores, la explotaci\u00f3n de esta vulnerabilidad podr\u00eda resultar potencialmente en una ejecuci\u00f3n de c\u00f3digo remota. Este ataque parece ser explotable a trav\u00e9s de la conectividad de red."
}
],
"id": "CVE-2019-15695",
"lastModified": "2024-11-21T04:29:16.647",
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"references": [
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"tags": [
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"url": "http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html"
},
{
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"tags": [
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"sourceIdentifier": "vulnerability@kaspersky.com",
"vulnStatus": "Modified",
"weaknesses": [
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"type": "Secondary"
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"value": "CWE-754"
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"value": "CWE-787"
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"source": "nvd@nist.gov",
"type": "Primary"
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Vulnerability from fkie_nvd
Published
2017-04-01 02:59
Modified
2024-11-21 03:31
Severity ?
Summary
In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.
References
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},
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"value": "En TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), usuarios no autenticados pueden bloquear el servidor enviando nombres de usuario largos."
}
],
"id": "CVE-2017-7394",
"lastModified": "2024-11-21T03:31:48.240",
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"published": "2017-04-01T02:59:00.333",
"references": [
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/97305"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2017:2000"
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"tags": [
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"url": "https://github.com/TigerVNC/tigervnc/pull/440"
},
{
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"url": "https://security.gentoo.org/glsa/201801-13"
},
{
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"url": "http://www.securityfocus.com/bid/97305"
},
{
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"url": "https://access.redhat.com/errata/RHSA-2017:2000"
},
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},
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"vulnStatus": "Modified",
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}
Vulnerability from fkie_nvd
Published
2020-09-27 04:15
Modified
2024-11-21 05:19
Severity ?
Summary
In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. They store the certificates as authorities, meaning that the owner of a certificate could impersonate any server after a client had added an exception.
References
Impacted products
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"published": "2020-09-27T04:15:11.650",
"references": [
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"tags": [
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}
Vulnerability from fkie_nvd
Published
2019-12-26 15:15
Modified
2024-11-21 04:29
Severity ?
Summary
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow. Vulnerability could be triggered from CopyRectDecoder due to incorrect value checks. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
References
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"id": "CVE-2019-15692",
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Vulnerability from fkie_nvd
Published
2017-02-28 18:59
Modified
2024-11-21 03:27
Severity ?
Summary
Buffer overflow in the ModifiablePixelBuffer::fillRect function in TigerVNC before 1.7.1 allows remote servers to execute arbitrary code via an RRE message with subrectangle outside framebuffer boundaries.
References
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