CVE-2006-4776 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Cisco IOS

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents4 sources

Severity

7.5HIGHNVD

NVD6.1CNA6.1

EPSS

17.3%

top 4.95%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco IOS

Timeline

PublishedSep 14

Latest updateMay 1

Description

Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary advertisement.

CVSS vector

AV:N/AC:L/C:P/I:P/A:PExploitability: 10.0 | Impact: 6.4

Affected Packages1 packages

▶NVDcisco/ios12.1\(19\), 12.1\(22\)ea3+1

Patches

Patch: www.cisco.com ↗Patch: www.cisco.com ↗

🔴Vulnerability Details

GHSA

GHSA-x2rx-8768-8678: Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12↗2022-05-01

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GHSA

GHSA-w4j4-63w3-w6m9: Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12↗2022-05-01

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CVEList

CVE-2005-4826: Unspecified vulnerability in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12↗2007-01-31

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CVEList

CVE-2006-4776: Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12↗2006-09-14

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📋Vendor Advisories

Cisco

Cisco IOS VTP VLAN Buffer Overflow Vulnerability↗2006-09-13

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