CVE-2013-0249 EXPLOIT
7.5
HIGH · CVSS 2.0 · EPSS 21.6% (pctl 98)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.5 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 21.64% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2013-03-08 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| haxx | curl |
| haxx | libcurl |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | cURL - Buffer Overflow (PoC) | 2013-02-11 |
References
- http://blog.volema.com/curl-rce.html
- http://curl.haxx.se/docs/adv_20130206.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/24487
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://www.osvdb.org/89988
- http://www.securityfocus.com/bid/57842
- http://www.securitytracker.com/id/1028093
- http://www.ubuntu.com/usn/USN-1721-1
- http://blog.volema.com/curl-rce.html
- http://curl.haxx.se/docs/adv_20130206.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
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