Vulnerability CVE-2017-16654


Published: 2018-08-06

Description:
An issue was discovered in Symfony before 2.7.38, 2.8.31, 3.2.14, 3.3.13, 3.4-BETA5, and 4.0-BETA5. The Intl component includes various bundle readers that are used to read resource bundles from the local filesystem. The read() methods of these classes use a path and a locale to determine the language bundle to retrieve. The locale argument value is commonly retrieved from untrusted user input (like a URL parameter). An attacker can use this argument to navigate to arbitrary directories via the dot-dot-slash attack, aka Directory Traversal.

Type:

CWE-22

(Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

Vendor: Debian
Product: Debian linux 
Version: 9.0; 8.0;
Vendor: Sensiolabs
Product: Symfony 
Version:
3.3.9
3.3.8
3.3.7
3.3.6
3.3.5
3.3.4
3.3.3
3.3.2
3.3.12
3.3.11
3.3.10
3.3.1
3.3.0
3.2.9
3.2.8
3.2.7
3.2.6
3.2.5
3.2.4
3.2.3
3.2.2
3.2.13
3.2.12
3.2.11
3.2.10
3.2.1
3.2.0
2.7.9
2.7.8
2.7.7
2.7.6
2.7.5
2.7.4
2.7.37
2.7.36
2.7.35
2.7.34
2.7.33
2.7.32
2.7.31
2.7.30
2.7.3
2.7.29
2.7.28
2.7.27
2.7.26
2.7.25
2.7.24
2.7.23
2.7.22
2.7.21
2.7.20
2.7.2
2.7.19
2.7.18
2.7.17
2.7.16
2.7.15
2.7.14
2.7.13
2.7.12
2.7.11
2.7.10
2.7.1
2.7.0

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None

 References:
https://github.com/symfony/symfony/pull/24994
https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html
https://symfony.com/blog/cve-2017-16654-intl-bundle-readers-breaking-out-of-paths
https://www.debian.org/security/2018/dsa-4262

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