Input validation error in libxslt for Libxml2



| Updated: 2020-08-03
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-7995
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libxslt
Universal components / Libraries / Libraries used by multiple products

Vendor Gnome Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU33246

Risk: Medium

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

CVE-ID: CVE-2015-7995

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service via a crafted XML file, related to a "type confusion" issue.

Mitigation

Update to version 1.1.29.

Vulnerable software versions

libxslt: 1.1.28

CPE2.3 External links

https://lists.apple.com/archives/security-announce/2016/Jan/msg00002.html
https://lists.apple.com/archives/security-announce/2016/Jan/msg00003.html
https://lists.apple.com/archives/security-announce/2016/Jan/msg00005.html
https://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html
https://lists.opensuse.org/opensuse-updates/2016-05/msg00123.html
https://www.debian.org/security/2016/dsa-3605
https://www.openwall.com/lists/oss-security/2015/10/27/10
https://www.openwall.com/lists/oss-security/2015/10/28/4
https://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
https://www.securityfocus.com/bid/77325
https://www.securitytracker.com/id/1034736
https://www.securitytracker.com/id/1038623
https://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.386546
https://bugzilla.redhat.com/show_bug.cgi?id=1257962
https://git.gnome.org/browse/libxslt/commit/?id=7ca19df892ca22d9314e95d59ce2abdeff46b617
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05111017
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
https://puppet.com/security/cve/cve-2015-7995
https://support.apple.com/HT205729
https://support.apple.com/HT205731
https://support.apple.com/HT205732
https://support.apple.com/HT206168


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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