Amazon Linux AMI update for curl

1) Information disclosure

EUVDB-ID: #VU33107

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2013-1944

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The tailMatch function in cookie.c in cURL and libcurl before 7.30.0 does not properly match the path domain when sending cookies, which allows remote attackers to steal cookies via a matching suffix in the domain of a URL. Per http://www.ubuntu.com/usn/USN-1801-1/ "A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.10 Ubuntu 12.04 LTS Ubuntu 11.10 Ubuntu 10.04 LTS Ubuntu 8.04 LTS"

Mitigation

Update the affected packages:

i686:
    libcurl-devel-7.27.0-11.34.amzn1.i686
    curl-7.27.0-11.34.amzn1.i686
    curl-debuginfo-7.27.0-11.34.amzn1.i686
    libcurl-7.27.0-11.34.amzn1.i686

src:
    curl-7.27.0-11.34.amzn1.src

x86_64:
    curl-7.27.0-11.34.amzn1.x86_64
    libcurl-7.27.0-11.34.amzn1.x86_64
    curl-debuginfo-7.27.0-11.34.amzn1.x86_64
    libcurl-devel-7.27.0-11.34.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2013-210.html

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.