CVE-2013-4397

Enterprise Linux vulnerability

CVSS

6.8

EPSS

5.5%

EPSS pct

92th

Exploited

No known

Multiple integer overflows in the th_read function in lib/block.c in libtar before 1.2.20 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long (1) name or (2) link in an archive, which triggers a heap-based buffer overflow.

Affected vendor

Redhat

Affected product

Enterprise Linux

CVSS vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Weakness type (CWE)

CWE-189

Published

2013-10-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 5.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2013-4397

Confirm whether Redhat Enterprise Linux is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-4397.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-4397

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