{"id":"CVE-2013-0249","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-0249","generatedAt":"2026-11-05T07:40:01.473Z","title":"Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7.26.0 through 7.28.1, when negotiating SASL DIGEST-MD5 authentication, allows remote attackers to cause a denial of service (crash)…","description":"Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7.26.0 through 7.28.1, when negotiating SASL DIGEST-MD5 authentication, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in the realm parameter in a (1) POP3, (2) SMTP or (3) IMAP message.","published":"2013-03-08T22:55:01.000Z","lastModified":"2026-06-16T23:49:03.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-119"],"affected":["haxx/curl","haxx/libcurl","canonical/ubuntu linux"],"epss":{"score":0.21643,"percentile":0.97638,"date":"2026-11-04","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2013-02-11","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":24487,"kind":"exploit","title":"cURL - Buffer Overflow (PoC)","url":"https://www.exploit-db.com/exploits/24487","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/24487.py","file":"exploits/linux/dos/24487.py","published":"2013-02-11","added":"2013-02-11","updated":"2013-02-11","author":"Volema","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2013-0249","OSVDB-89988"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 21.6%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://blog.volema.com/curl-rce.html","source":"secalert@redhat.com"},{"url":"http://curl.haxx.se/docs/adv_20130206.html","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html","source":"secalert@redhat.com"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-February/099140.html","source":"secalert@redhat.com"},{"url":"http://nakedsecurity.sophos.com/2013/02/10/anatomy-of-a-vulnerability-curl-web-download-toolkit-holed-by-authentication-bug/","source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/120147/cURL-Buffer-Overflow.html","source":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/120170/Slackware-Security-Advisory-curl-Updates.html","source":"secalert@redhat.com"},{"url":"http://www.exploit-db.com/exploits/24487","tags":["Exploit"],"source":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html","source":"secalert@redhat.com"},{"url":"http://www.osvdb.org/89988","source":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/57842","source":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1028093","source":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1721-1","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"http://blog.volema.com/curl-rce.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://curl.haxx.se/docs/adv_20130206.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-February/099140.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://nakedsecurity.sophos.com/2013/02/10/anatomy-of-a-vulnerability-curl-web-download-toolkit-holed-by-authentication-bug/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/120147/cURL-Buffer-Overflow.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/120170/Slackware-Security-Advisory-curl-Updates.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.exploit-db.com/exploits/24487","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/89988","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/57842","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1028093","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1721-1","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-0249","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}