Vulnerabilites related to GlavSoft LLC - TightVNC Viewer
cve-2021-42785
Vulnerability from cvelistv5
Published
2021-11-23 21:37
Modified
2024-08-04 03:38
Severity ?
EPSS score ?
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 |
---|---|---|
https://www.tightvnc.com/whatsnew.php | x_refsource_MISC |
Impacted products
Vendor | Product | Version | ||
---|---|---|---|---|
GlavSoft LLC | TightVNC Viewer |
Version: 2.8.59 < |
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-04T03:38:50.226Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://www.tightvnc.com/whatsnew.php", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "TightVNC Viewer", vendor: "GlavSoft LLC", versions: [ { lessThanOrEqual: "2.8.59", status: "affected", version: "2.8.59", versionType: "custom", }, ], }, ], credits: [ { lang: "en", value: "Eugene Lim from Government Technology Agency of Singapore", }, ], descriptions: [ { lang: "en", value: "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.", }, ], problemTypes: [ { descriptions: [ { cweId: "CWE-120", description: "CWE-120 Buffer Overflow", lang: "en", type: "CWE", }, ], }, ], providerMetadata: { dateUpdated: "2021-11-23T21:37:07", orgId: "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", shortName: "GovTech CSG", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://www.tightvnc.com/whatsnew.php", }, ], source: { discovery: "EXTERNAL", }, title: "Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59", x_generator: { engine: "Vulnogram 0.0.9", }, x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "cve_disclosure@tech.gov.sg", ID: "CVE-2021-42785", STATE: "PUBLIC", TITLE: "Buffer Overflow in tvnviewer.exe via Crafted Packet in TightVNC Viewer 2.8.59", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "TightVNC Viewer", version: { version_data: [ { version_affected: "<=", version_name: "2.8.59", version_value: "2.8.59", }, ], }, }, ], }, vendor_name: "GlavSoft LLC", }, ], }, }, credit: [ { lang: "eng", value: "Eugene Lim from Government Technology Agency of Singapore", }, ], data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "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.", }, ], }, generator: { engine: "Vulnogram 0.0.9", }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "CWE-120 Buffer Overflow", }, ], }, ], }, references: { reference_data: [ { name: "https://www.tightvnc.com/whatsnew.php", refsource: "MISC", url: "https://www.tightvnc.com/whatsnew.php", }, ], }, source: { discovery: "EXTERNAL", }, }, }, }, cveMetadata: { assignerOrgId: "1a37b84a-8e51-4525-b3d6-87e2fae01dbd", assignerShortName: "GovTech CSG", cveId: "CVE-2021-42785", datePublished: "2021-11-23T21:37:07", dateReserved: "2021-10-21T00:00:00", dateUpdated: "2024-08-04T03:38:50.226Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", }