{"document":{"acknowledgments":[{"urls":["https://kb.cert.org/vuls/id/743092#acknowledgements"]}],"category":"CERT/CC Vulnerability Note","csaf_version":"2.0","notes":[{"category":"summary","text":"A function originally derived from 4.4BSD, realpath(3), contains a vulnerability that may permit a malicious user to gain root access to the server. This function was derived from the FreeBSD 3.x tree. Other applications and operating systems that use or were derived from this code base may be affected. This problem was originally reported to affect WU-FTPd. It has been discoved to affect various BSD implementations as well.","title":"Summary"},{"category":"legal_disclaimer","text":"THIS DOCUMENT IS PROVIDED ON AN 'AS IS' BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. ","title":"Legal Disclaimer"},{"category":"other","text":"CERT/CC Vulnerability Note is a limited advisory. It primarily identifies vendors impacted by the advisory and not specific products. We only support \"known_affected\" and \"known_not_affected\" status. Please consult the vendor's statements and advisory URL if provided by the vendor for more details ","title":"Limitations of Advisory"}],"publisher":{"category":"coordinator","contact_details":"Email: cert@cert.org, Phone: +1412 268 5800","issuing_authority":"CERT/CC under DHS/CISA https://www.cisa.gov/cybersecurity also see https://kb.cert.org/ ","name":"CERT/CC","namespace":"https://kb.cert.org/"},"references":[{"url":"https://certcc.github.io/certcc_disclosure_policy","summary":"CERT/CC vulnerability disclosure policy"},{"summary":"CERT/CC document released","category":"self","url":"https://kb.cert.org/vuls/id/743092"}],"title":"realpath(3) function contains off-by-one buffer overflow","tracking":{"current_release_date":"2003-08-15T17:34:20+00:00","generator":{"engine":{"name":"VINCE","version":"3.0.35"}},"id":"VU#743092","initial_release_date":"2003-07-31 00:00:00+00:00","revision_history":[{"date":"2003-08-15T17:34:20+00:00","number":"1.20030815173420.16","summary":"Released on 2003-08-15T17:34:20+00:00"}],"status":"final","version":"1.20030815173420.16"}},"vulnerabilities":[{"notes":[{"category":"general","text":"No vulnerabilities have been defined at this time for this report"}]}]}