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Vulnerability details: VCID-gz2d-x11n-aaap
Vulnerability ID VCID-gz2d-x11n-aaap
Aliases CVE-2018-7226
Summary An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 5.4 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-7226.json
epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
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epss 0.00283 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
epss 0.00315 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
epss 0.00315 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
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epss 0.0048 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
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epss 0.0048 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
epss 0.01514 https://api.first.org/data/v1/epss?cve=CVE-2018-7226
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1549172
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-7226
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-7226
archlinux High https://security.archlinux.org/AVG-628
Reference id Reference type URL
http://openwall.com/lists/oss-security/2018/02/18/2
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-7226.json
https://api.first.org/data/v1/epss?cve=CVE-2018-7226
https://github.com/LibVNC/vncterm/issues/6
https://security.gentoo.org/glsa/201908-05
1549172 https://bugzilla.redhat.com/show_bug.cgi?id=1549172
898453 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=898453
AVG-628 https://security.archlinux.org/AVG-628
cpe:2.3:a:vncterm_project:vncterm:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:vncterm_project:vncterm:*:*:*:*:*:*:*:*
CVE-2018-7226 https://nvd.nist.gov/vuln/detail/CVE-2018-7226
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-7226.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-7226
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-7226
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.68200
EPSS Score 0.00283
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.