Input validation error in GNU libtASN1



| Updated: 2020-07-28
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-3469
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 libtASN1
Universal components / Libraries / Libraries used by multiple products

Vendor GNU

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU32528

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-2014-3469

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows context-dependent 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 (NULL pointer dereference and crash) via a NULL value in an ivalue argument.

Mitigation

Update to version 3.6.

Vulnerable software versions

libtASN1: 3.0 - 3.5

CPE2.3 External links

https://advisories.mageia.org/MGASA-2014-0247.html
https://linux.oracle.com/errata/ELSA-2014-0594.html
https://linux.oracle.com/errata/ELSA-2014-0596.html
https://lists.gnu.org/archive/html/help-libtasn1/2014-05/msg00006.html
https://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html
https://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html
https://rhn.redhat.com/errata/RHSA-2014-0594.html
https://rhn.redhat.com/errata/RHSA-2014-0596.html
https://rhn.redhat.com/errata/RHSA-2014-0687.html
https://rhn.redhat.com/errata/RHSA-2014-0815.html
https://secunia.com/advisories/58591
https://secunia.com/advisories/58614
https://secunia.com/advisories/59021
https://secunia.com/advisories/59057
https://secunia.com/advisories/59408
https://secunia.com/advisories/60320
https://secunia.com/advisories/60415
https://secunia.com/advisories/61888
https://www.debian.org/security/2014/dsa-3056
https://www.mandriva.com/security/advisories?name=MDVSA-2015:116
https://www.novell.com/support/kb/doc.php?id=7015302
https://www.novell.com/support/kb/doc.php?id=7015303
https://bugzilla.redhat.com/show_bug.cgi?id=1102329


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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