CVE-2013-2052

Severity: medium (CVSS 5.1 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-07-09 · updated 2026-06-16
Weakness: CWE-119

Description

Buffer overflow in the atodn function in libreswan 3.0 and 3.1, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2053 and CVE-2013-2054.

Affected products

The Libreswan Project libreswan: 3.0, 3.1

References

https://libreswan.org/security/CVE-2013-2052/CVE-2013-2052.txt
https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html
https://libreswan.org/security/CVE-2013-2052/CVE-2013-2052.txt
https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html

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