CVE-2014-1263

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Summary

CVECVE-2014-1263
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-02-27 01:55:04 UTC
Updated2026-04-29 01:13:23 UTC
Descriptioncurl and libcurl 7.27.0 through 7.35.0, when using the SecureTransport/Darwinssl backend, as used in in Apple OS X 10.9.x before 10.9.2, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate when accessing a URL that uses a numerical IP address, which allows man-in-the-middle attackers to spoof servers via an arbitrary valid certificate.

Risk And Classification

Primary CVSS: v2.0 4.3 from [email protected]

AV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS: 0.058460000 probability, percentile 0.905840000 (date 2026-05-05)

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Mac Os X 10.9 All All All
Operating System Apple Mac Os X All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
Enterprise Chef 11.1.3 Release | Chef Blog af854a3a-2127-422b-91ae-364da2661108 www.getchef.com
About the security content of OS X Mavericks v10.9.2 and Security Update 2014-001 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Vendor Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
gist:fb2b0a6a0ce10550ab73 af854a3a-2127-422b-91ae-364da2661108 gist.github.com Exploit
cURL - libcurl not verifying certs for TLS to IP address / Darwinssl af854a3a-2127-422b-91ae-364da2661108 curl.haxx.se
Oscar Koeroo na Twitterze: "Link to curl code: https://t.co/Bz3f52KgjB and SSLSetPeerDomainName() only allows an FQDN: https://t.co/8KO7DmayCT" af854a3a-2127-422b-91ae-364da2661108 twitter.com Exploit
Chef Server 11.0.12 Release | Chef Blog af854a3a-2127-422b-91ae-364da2661108 www.getchef.com
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com
Enterprise Chef 1.4.9 Release | Chef Blog af854a3a-2127-422b-91ae-364da2661108 www.getchef.com
Adam Langley na Twitterze: "So curl on the OS X command line will accept https://IP without correct checks, but I must be missing something if this is a big problem." af854a3a-2127-422b-91ae-364da2661108 twitter.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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