#VU41096 Cryptographic issues in cURL and libcurl - CVE-2014-3620

Vulnerability identifier: #VU41096

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-3620

CWE-ID: CWE-310

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
cURL
Client/Desktop applications / Other client software
libcurl
Universal components / Libraries / Libraries used by multiple products

Vendor: curl.haxx.se

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

cURL and libcurl before 7.38.0 allow remote attackers to bypass the Same Origin Policy and set cookies for arbitrary sites by setting a cookie for a top-level domain.

Mitigation
Install update from vendor's website.

Vulnerable software versions

cURL: 7.31.0 - 7.37.0

libcurl: 7.31.0 - 7.37.0

---

External links
https://curl.haxx.se/docs/adv_20140910B.html
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10743
https://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
https://lists.opensuse.org/opensuse-security-announce/2014-09/msg00024.html
https://www.debian.org/security/2014/dsa-3022
https://www.securityfocus.com/bid/69742
https://support.apple.com/kb/HT205031

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.