Missing Report of Error Condition Affecting libtasn1 package, versions <0:2.3-6.el6_5


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.73% (81st percentile)

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  • Snyk ID SNYK-CENTOS6-LIBTASN1-2099383
  • published 26 Jul 2021
  • disclosed 25 May 2014

How to fix?

Upgrade Centos:6 libtasn1 to version 0:2.3-6.el6_5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtasn1 package and not the libtasn1 package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly report an error when a negative bit length is identified, which allows context-dependent attackers to cause out-of-bounds access via crafted ASN.1 data.

CVSS Scores

version 3.1
Expand this section

NVD

7.3 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low
Expand this section

Red Hat

6.3 medium