CVE-2013-4345

Linux Kernel vulnerability

CVSS

5.8

EPSS

3.2%

EPSS pct

87th

Exploited

No known

Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.

Affected vendor

Linux

Affected product

Linux Kernel

CVSS vector

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

Weakness type (CWE)

CWE-189

Published

2013-10-10

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.

Its EPSS score of 3.2% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2013-4345

Confirm whether Linux Linux Kernel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2013-4345.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2013-4345

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2013-4345 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2013-4345?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2013-4345.

Start free scan

No credit card. Agentless.

Related vulnerabilities

MEDIUM

CVE-2015-8916

Ubuntu Linux vulnerability

MEDIUM

CVE-2015-8924

Libarchive vulnerability

MEDIUM

CVE-2016-5844

Libarchive vulnerability