CVE-2013-0249
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…
- 7.5HighCVSS base score
- 21.6%Exploitation in 30 daysEPSS · top 2.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it. A reference of the record is tagged as an exploit.
Show the exploits2
Exploit-DB1 entry
- cURL - Buffer Overflow (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 24487dos, linuxpublished 11 Feb 2013Not verified
References tagged exploit1 reference
- 24487 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By redhat
- 3 months later
· 3 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 21.6% · top 2.4% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
13
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/120170/Slackware-Security-Advisory-curl-Updates.html (opens in a new tab)x_refsource_MISCx_transferred
- 57842 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- APPLE-SA-2013-10-22-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- 24487 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- USN-1721-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2013-2098 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 1028093 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 89988 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://packetstormsecurity.com/files/120147/cURL-Buffer-Overflow.html (opens in a new tab)x_refsource_MISCx_transferred
- http://blog.volema.com/curl-rce.html (opens in a new tab)x_refsource_MISCx_transferred
- http://curl.haxx.se/docs/adv_20130206.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://nakedsecurity.sophos.com/2013/02/10/anatomy-of-a-vulnerability-curl-web-download-toolkit-holed-by-authentication-bug/ (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2013-0280 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2013-0249)Record last updated .