Vulnerability Monitor

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CVE-2013-2052

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.

Published

2013-07-09T17:55:00.997

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.1 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

4.9

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libreswan	libreswan	3.0	Yes
Application	libreswan	libreswan	3.1	Yes

References

https://libreswan.org/security/CVE-2013-2052/CVE-2013-2052.txt Patch, Vendor Advisory ([email protected])
https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html Vendor Advisory ([email protected])
https://libreswan.org/security/CVE-2013-2052/CVE-2013-2052.txt Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)