Debian DSA-3992-1 : curl - security update

Medium Nessus Plugin ID 103715

Synopsis

The remote Debian host is missing a security-related update.

Description

Several vulnerabilities have been discovered in cURL, an URL transfer library. The Common Vulnerabilities and Exposures project identifies the following problems :

- CVE-2017-1000100 Even Rouault reported that cURL does not properly handle long file names when doing an TFTP upload. A malicious HTTP(S) server can take advantage of this flaw by redirecting a client using the cURL library to a crafted TFTP URL and trick it to send private memory contents to a remote server over UDP.

- CVE-2017-1000101 Brian Carpenter and Yongji Ouyang reported that cURL contains a flaw in the globbing function that parses the numerical range, leading to an out-of-bounds read when parsing a specially crafted URL.

- CVE-2017-1000254 Max Dymond reported that cURL contains an out-of-bounds read flaw in the FTP PWD response parser. A malicious server can take advantage of this flaw to effectively prevent a client using the cURL library to work with it, causing a denial of service.

Solution

Upgrade the curl packages.

For the oldstable distribution (jessie), these problems have been fixed in version 7.38.0-4+deb8u6.

For the stable distribution (stretch), these problems have been fixed in version 7.52.1-5+deb9u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871554

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=871555

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=877671

https://security-tracker.debian.org/tracker/CVE-2017-1000100

https://security-tracker.debian.org/tracker/CVE-2017-1000101

https://security-tracker.debian.org/tracker/CVE-2017-1000254

https://packages.debian.org/source/jessie/curl

https://packages.debian.org/source/stretch/curl

https://www.debian.org/security/2017/dsa-3992

Plugin Details

Severity: Medium

ID: 103715

File Name: debian_DSA-3992.nasl

Version: 3.5

Type: local

Agent: unix

Published: 2017/10/09

Updated: 2018/11/10

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:curl, cpe:/o:debian:debian_linux:8.0, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Patch Publication Date: 2017/10/06

Reference Information

CVE: CVE-2017-1000100, CVE-2017-1000101, CVE-2017-1000254

DSA: 3992