CVE-2013-0249
HIGH severity · CVSS 7.5 · Memory corruption
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)23%
AV:N/AC:L/Au:N/C:P/I:P/A:P
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://curl.haxx.se/docs/adv_20130206.htmlAdvisory
- http://blog.volema.com/curl-rce.html
- http://lists.apple.com/archives/security-announce/2013/Oct/msg00004.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-February/099140.html
- http://nakedsecurity.sophos.com/2013/02/10/anatomy-of-a-vulnerability-curl-web-download-toolkit-holed-by-authentication-bug/
- http://packetstormsecurity.com/files/120147/cURL-Buffer-Overflow.html
- http://packetstormsecurity.com/files/120170/Slackware-Security-Advisory-curl-Updates.html
- http://www.exploit-db.com/exploits/24487Exploit