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CVE-2015-3408

26
FAUCET Score

CVE-2015-3408 describes a critical vulnerability in Module::Signature versions prior to 0.74, affecting products like Canonical's module-signature and Ubuntu Linux. This flaw allows remote attackers to execute arbitrary shell commands by exploiting improper handling of crafted SIGNATURE files during checksum generation from a signed manifest. With a CVSS score of 10.0, this vulnerability carries the highest severity, indicating a network-based attack with low complexity and complete compromise of confidentiality, integrity, and availability. Despite its critical nature, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.73CPE matchmatch criteria
cpe:2.3:a:module-signature_project:module-signature:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
14.10CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*
15.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.66%
Probability of exploitation in next 30 days
EPSS Percentile
92.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0566 is in the 87th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: perl-Module-Signature

Vendor Advisories (1)

redhatCVE-2015-3408Moderate

perl-Module-Signature: arbitrary code execution when verifying module signatures

Apr 5, 2015

References

github.com / audreyt/module-signature/commit/8a9164596fa5952d4fbcde5aa1c7d1c7bc85372f
metacpan.org / changes/distribution/Module-Signature
ubuntu.com / usn/usn-2607-1
debian.org / security/2015/dsa-3261
openwall.com / lists/oss-security/2015/04/07/1
openwall.com / lists/oss-security/2015/04/23/17