Denial of service in libxslt



Published: 2019-12-11 | Updated: 2022-08-22
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-5815
CWE-ID CWE-843
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		libxslt
Universal components / Libraries / Libraries used by multiple products

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Type Confusion

EUVDB-ID: #VU66693

Risk: Medium

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

CVE-ID: CVE-2019-5815

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a type confusion error within the xsltNumberFormatGetMultipleLevel. A remote attacker can pass specially crafted XML data to the application, trigger a type confusion error and crash the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

libxslt: 0.1.0 - 1.1.33

External links

http://bugs.chromium.org/p/chromium/issues/detail?id=930663
http://gitlab.gnome.org/GNOME/libxslt/commit/08b62c25871b38d5d573515ca8a065b4b8f64f6b


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.



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