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CVE-2007-3377

15
FAUCET Score

CVE-2007-3377 describes a vulnerability in Header.pm of the Net::DNS Perl module, affecting versions prior to 0.60, including products like qpsmtp and SpamAssassin. The flaw stems from predictable DNS sequence IDs and the potential for child processes to reuse starting IDs, enabling remote attackers to spoof DNS responses. With a CVSS score of 4.3 (medium severity), it requires moderate attack complexity and primarily impacts integrity, with no known active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
0.14CPE matchmatch criteria
cpe:2.3:a:nlnet_labs:net_dns:0.14:*:*:*:*:*:*:*
0.20CPE matchmatch criteria
cpe:2.3:a:nlnet_labs:net_dns:0.20:*:*:*:*:*:*:*
0.21CPE matchmatch criteria
cpe:2.3:a:nlnet_labs:net_dns:0.21:*:*:*:*:*:*:*
0.22CPE matchmatch criteria
cpe:2.3:a:nlnet_labs:net_dns:0.22:*:*:*:*:*:*:*
0.23CPE matchmatch criteria
cpe:2.3:a:nlnet_labs:net_dns:0.23:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.05%
Probability of exploitation in next 30 days
EPSS Percentile
79.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0205 is in the 65th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: perl-Net-DNS-0:0.31-4.el3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: perl-Net-DNS-0:0.48-2.el4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: perl-Net-DNS-0:0.59-3.el5
View patch
redhatpatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2007-3377Moderate

perl-Net-DNS security issue

Dec 22, 2006

References

patches.sgi.com / support/free/security/advisories/20070701-01-P.asc
osvdb.org / 37053
rt.cpan.org / Public/Bug/Display.html
bugzilla.redhat.com / bugzilla/show_bug.cgi
Patch
secunia.com / advisories/25829
secunia.com / advisories/26012
secunia.com / advisories/26014
secunia.com / advisories/26055
secunia.com / advisories/26075
secunia.com / advisories/26211
secunia.com / advisories/26231
secunia.com / advisories/26417
secunia.com / advisories/26508
secunia.com / advisories/26543
secunia.com / advisories/29354
exchange.xforce.ibmcloud.com / vulnerabilities/35112
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9904
support.avaya.com / elmodocs2/security/ASA-2007-351.htm
debian.org / security/2008/dsa-1515
gentoo.org / security/en/glsa/glsa-200708-06.xml
mandriva.com / security/advisories
net-dns.org / docs/Changes.html
nntp.perl.org / group/perl.qpsmtpd/2006/03/msg4810.html
Exploit
novell.com / linux/security/advisories/2007_17_sr.html
redhat.com / support/errata/RHSA-2007-0674.html
redhat.com / support/errata/RHSA-2007-0675.html
securityfocus.com / archive/1/473871/100/0/threaded
securityfocus.com / bid/24669
securitytracker.com / id
trustix.org / errata/2007/0023
ubuntu.com / usn/usn-483-1