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CVE-2013-3571

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address...

2.6 LowFix available

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Exploit likelihood

2.06%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 2.6

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
CVE-2013-3571
CVSS 2.0
2.6 LowAV:N/AC:H/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
CVE-2013-3571
Updated
2026-11-02
EUVDEUVD-2013-3505 No score

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
EUVD-2013-3505
Updated
2026-11-03
GitHub AdvisoriesGHSA-2qp2-pf59-94fr No score

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address...

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
GHSA-2qp2-pf59-94fr
Updated
2026-11-02
OSV No score

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
CVE-2013-3571
Updated
2026-11-02
OSVDEBIAN-CVE-2013-3571 No score

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
DEBIAN-CVE-2013-3571
Updated
2026-11-02
Show 4 moreShow less
OSVMGASA-2013-0159 No score

Updated socat package fixes security vulnerability

Under certain circumstances an FD leak occurs and can be misused for denial of service attacks against socat running in server mode (CVE-2013-3571).

Record
MGASA-2013-0159
Updated
2026-11-02
OSVopenSUSE-SU-2024:10371-1 No score

socat-1.7.3.1-2.7 on GA media

These are all security issues fixed in the socat-1.7.3.1-2.7 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10371-1
Updated
2026-11-02
OSVSUSE-SU-2016:0343-1 No score

Security update for socat

This update for socat fixes the following issues:

  • CVE-2013-3571: Fix a file descriptor leak that could have been misused for a denial of service attack against socat running in server mode (bsc#821985)
  • CVE-2014-0019: PROXY-CONNECT address was vulnerable to a stack buffer overflow (bsc#860991)
  • Fix a stack overflow in the parser that could have been leveraged to execute arbitrary code (bsc#964844)
Record
SUSE-SU-2016:0343-1
Updated
2026-11-02
OSVUBUNTU-CVE-2013-3571 No score

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

Record
UBUNTU-CVE-2013-3571
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
socat
Debian:12
 before 1.7.1.3-1.5
1.7.1.3-1.5
socat
Debian:13
 before 1.7.1.3-1.5
1.7.1.3-1.5
socat
Debian:14
 before 1.7.1.3-1.5
1.7.1.3-1.5
socat
Mageia:2
 before 1.7.2.2-1.mga2
1.7.2.2-1.mga2
socat
Mageia:3
 before 2.0.0-0.b6.1.mga3
2.0.0-0.b6.1.mga3
socat
SUSE:Linux Enterprise Desktop 11 SP4
 before 1.7.0.0-1.18.2
1.7.0.0-1.18.2
socat
SUSE:Linux Enterprise Server 11 SP4
 before 1.7.0.0-1.18.2
1.7.0.0-1.18.2
socat
SUSE:Linux Enterprise Server for SAP Applications 11 SP4
 before 1.7.0.0-1.18.2
1.7.0.0-1.18.2
socat
openSUSE:Tumbleweed
 before 1.7.3.1-2.7
1.7.3.1-2.7

History

History
RecordedChangedSources
affected
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-3571 is a low vulnerability (CVSS 2.6) in Dest-unreach Socat, published June 6, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.06%, the 81st percentile. Fixed in socat 1.7.1.3-1.5.

References

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