Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in…
Priority MEDIUM 52CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
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.
Why it matters now
EPSS 0.21643 97th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:* | 7.26.0 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:* | 7.27.0 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:* | 7.28.0 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:* | 7.28.1 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:libcurl:7.26.0:*:*:*:*:*:*:* | 7.26.0 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:* | 7.27.0 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:* | 7.28.0 | Vulnerable | Haxx |
| cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:* | 7.28.1 | Vulnerable | Haxx |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
- cpe:2.3:a:haxx:curl:7.26.0:*:*:*:*:*:*:* Versions 7.26.0 Vulnerable ·Haxx
- cpe:2.3:a:haxx:curl:7.27.0:*:*:*:*:*:*:* Versions 7.27.0 Vulnerable ·Haxx
- cpe:2.3:a:haxx:curl:7.28.0:*:*:*:*:*:*:* Versions 7.28.0 Vulnerable ·Haxx
- cpe:2.3:a:haxx:curl:7.28.1:*:*:*:*:*:*:* Versions 7.28.1 Vulnerable ·Haxx
- cpe:2.3:a:haxx:libcurl:7.26.0:*:*:*:*:*:*:* Versions 7.26.0 Vulnerable ·Haxx
- cpe:2.3:a:haxx:libcurl:7.27.0:*:*:*:*:*:*:* Versions 7.27.0 Vulnerable ·Haxx
- cpe:2.3:a:haxx:libcurl:7.28.0:*:*:*:*:*:*:* Versions 7.28.0 Vulnerable ·Haxx
- cpe:2.3:a:haxx:libcurl:7.28.1:*:*:*:*:*:*:* Versions 7.28.1 Vulnerable ·Haxx
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2013-0249
- 2026-10-03 Alias added: GHSA-mj69-wpmp-9c9f
References
Exploit 1
Other 6
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- http://packetstormsecurity.com/files/120170/Slackware-Security-Advisory-curl-Updates.html
- 89988
- http://packetstormsecurity.com/files/120147/cURL-Buffer-Overflow.html
- http://blog.volema.com/curl-rce.html
- http://nakedsecurity.sophos.com/2013/02/10/anatomy-of-a-vulnerability-curl-web-download-toolkit-holed-by-authentication-bug/
Sources
- CVE-2013-0249 · CVE Program
- CVE-2013-0249 · NVD
- FIRST EPSS
- GHSA-mj69-wpmp-9c9f · GitHub Advisory Database · CC BY 4.0
- CVE-2013-0249 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences