CVE-2013-0249
CVE-2013-0249 is a high-severity vulnerability in Haxx Curl with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 23% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Haxx Curl
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 7.28.1, 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.
- How severe is CVE-2013-0249?
- CVE-2013-0249 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2013-0249 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-0249?
- CVE-2013-0249 primarily affects Haxx Curl. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-0249?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2013-0249 published?
- CVE-2013-0249 was published on 2013-03-08 and last updated on 2026-06-16.
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
Affected products (9)
- cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:libcurl:7.26.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:*
- cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*
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