{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-34458","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2025-04-15T19:15:22.603Z","datePublished":"2025-12-22T21:29:46.850Z","dateUpdated":"2026-10-29T21:15:16.014Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","packageName":"direwolf","packageURL":"pkg:github/wb2osz/direwolf","product":"Dire Wolf","repo":"https://github.com/wb2osz/direwolf","vendor":"wb2osz","versions":[{"lessThanOrEqual":"1.8.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3658a878920803bbb69a4567579dcc4d6cb80a92","versionType":"git"}]}],"credits":[{"lang":"en","type":"finder","value":"Vlatko Kosturjak with Marlink Cyber"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"wb2osz/direwolf (Dire Wolf) versions up to and including 1.8.1, prior to commit 3658a87, contain a reachable assertion vulnerability in the APRS MIC-E decoder function aprs_mic_e() located in src/decode_aprs.c. When processing a specially crafted AX.25 frame containing a MIC-E message with an empty or truncated comment field, the application triggers an unhandled assertion checking for a non-empty comment. This assertion failure causes immediate process termination, allowing a remote, unauthenticated attacker to cause a denial of service by sending malformed APRS traffic."}],"value":"wb2osz/direwolf (Dire Wolf) versions up to and including 1.8.1, prior to commit 3658a87, contain a reachable assertion vulnerability in the APRS MIC-E decoder function aprs_mic_e() located in src/decode_aprs.c. When processing a specially crafted AX.25 frame containing a MIC-E message with an empty or truncated comment field, the application triggers an unhandled assertion checking for a non-empty comment. This assertion failure causes immediate process termination, allowing a remote, unauthenticated attacker to cause a denial of service by sending malformed APRS traffic."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-617","description":"CWE-617 Reachable Assertion","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-29T21:15:16.014Z"},"references":[{"tags":["technical-description","exploit"],"url":"https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-010-direwolf-stack-buffer-overflow-kiss-frame.md"},{"tags":["issue-tracking"],"url":"https://github.com/wb2osz/direwolf/issues/618"},{"tags":["patch"],"url":"https://github.com/wb2osz/direwolf/commit/3658a87"},{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/wb2osz-direwolf-reachable-assertion-dos"}],"source":{"discovery":"UNKNOWN"},"title":"wb2osz/direwolf <= 1.8.1 Reachable Assertion DoS","x_generator":{"engine":"Vulnogram 0.5.0"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-22T21:52:50.699067Z","id":"CVE-2025-34458","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-12-22T21:53:08.053Z"}}]}}