HOME VULNERABILITIESCVE-2012-5645

HIGH

CVE-2012-5645

CWE-400Published: December 30, 2019· Updated: Jun 16, 2026

7.5

CVSS v3.1

Official Description

A denial of service flaw was found in the way the server component of Freeciv before 2.3.4 processed certain packets. A remote attacker could send a specially-crafted packet that, when processed would lead to memory exhaustion or excessive CPU consumption.

Technical Analysis

CVE-2012-5645 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

Fedora1 product(s)

fedora

freeciv1 product(s)

freeciv

Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time

Offensive Security exploit database

GitHub PoC Search

Community PoC repositories

Rapid7 / Metasploit

Metasploit module search

Security advisories & exploits

Official NIST entry

CVE Program entry

External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2013-January/095378.html

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2013-January/095381.html

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2013-January/096391.html

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/18/5

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/22/4

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/30/11

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/30/8

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/31/2

ADVISORYhttp://www.securityfocus.com/bid/41352

ADVISORYhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=696306

ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5645

ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2012-5645

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2013-January/095378.html

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2013-January/095381.html

ADVISORYhttp://lists.fedoraproject.org/pipermail/package-announce/2013-January/096391.html

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/18/5

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/22/4

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/30/11

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/30/8

ADVISORYhttp://www.openwall.com/lists/oss-security/2012/12/31/2

ADVISORYhttp://www.securityfocus.com/bid/41352

ADVISORYhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=696306

ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5645

ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2012-5645

All References (26)

→

http://lists.fedoraproject.org/pipermail/package-announce/2013-January/095378.htmlThird Party Advisory

→

http://lists.fedoraproject.org/pipermail/package-announce/2013-January/095381.htmlThird Party Advisory

→

http://lists.fedoraproject.org/pipermail/package-announce/2013-January/096391.htmlThird Party Advisory

→

http://www.openwall.com/lists/oss-security/2012/12/18/5Mailing List · Third Party Advisory

→

http://www.openwall.com/lists/oss-security/2012/12/22/4Mailing List · Third Party Advisory

→

http://www.openwall.com/lists/oss-security/2012/12/30/11Mailing List · Third Party Advisory

→

http://www.openwall.com/lists/oss-security/2012/12/30/8Mailing List · Third Party Advisory

→

http://www.openwall.com/lists/oss-security/2012/12/31/2Mailing List · Third Party Advisory

→

http://www.securityfocus.com/bid/41352Third Party Advisory · VDB Entry

→

https://access.redhat.com/security/cve/cve-2012-5645Broken Link

→

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=696306Issue Tracking · Third Party Advisory

→

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-5645Issue Tracking · Third Party Advisory

→

https://security-tracker.debian.org/tracker/CVE-2012-5645Third Party Advisory

→

http://lists.fedoraproject.org/pipermail/package-announce/2013-January/095378.htmlThird Party Advisory

→

http://lists.fedoraproject.org/pipermail/package-announce/2013-January/095381.htmlThird Party Advisory

Quick Facts

CVE IDCVE-2012-5645

CVSS Score7.5 / 10

SeverityHIGH

WeaknessCWE-400

CISA KEVNo

Affected2 vendor(s)

PublishedDec 30, 2019

Related CVEs (CWE-400)

CVE-2017-1000378

Recommended Actions

→Apply vendor patches immediately
→Monitor CVE-2012-5645 in threat intel feeds
→Review IDS/IPS signatures for exploitation attempts

Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.

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