CVE-2012-0036

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 16.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-04-13 · updated 2026-06-16
Weakness: CWE-89

Description

curl and libcurl 7.2x before 7.24.0 do not properly consider special characters during extraction of a pathname from a URL, which allows remote attackers to conduct data-injection attacks via a crafted URL, as demonstrated by a CRLF injection attack on the (1) IMAP, (2) POP3, or (3) SMTP protocol.

Affected products

Curl: 7.20.0, 7.20.1, 7.21.0, 7.21.1, 7.21.2, 7.21.3 (+7)
curl Libcurl: 7.20.0, 7.20.1, 7.21.0, 7.21.1, 7.21.2, 7.21.3 (+7)

References

http://curl.haxx.se/curl-url-sanitize.patch
http://curl.haxx.se/docs/adv_20120124.html
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041
http://lists.apple.com/archives/security-announce/2012/May/msg00001.html
http://secunia.com/advisories/48256
http://security.gentoo.org/glsa/glsa-201203-02.xml
http://support.apple.com/kb/HT5281
http://www.debian.org/security/2012/dsa-2398
http://www.mandriva.com/security/advisories?name=MDVSA-2012:058
http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
http://www.securityfocus.com/bid/51665
http://www.securitytracker.com/id/1032924

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