CVE-2019-10155
Quick assessment
Affected
the libreswan Project libreswan
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Libreswan是一个类似于Openswan的IPsec实现，它主要用于保证数据传输中的安全性、完整性问题。 Libreswan 3.29之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2019-10155
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Libreswan Project has found a vulnerability in the processing of IKEv1 informational exchange packets which are encrypted and integrity protected using the established IKE SA encryption and integrity keys, but as a receiver, the integrity check value was not verified. This issue affects versions before 3.29.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
完整性检查值验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Libreswan 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libreswan是一个类似于Openswan的IPsec实现，它主要用于保证数据传输中的安全性、完整性问题。 Libreswan 3.29之前版本中存在输入验证错误漏洞。该漏洞源于网络系统或产品未对输入的数据进行正确的验证。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| the libreswan Project | libreswan | 3.29 | - |
|
II. Public POCs for CVE-2019-10155
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-10155 (1)
Mailing List Discussions for CVE-2019-10155 (2)
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EUEXFCN7FAYBKJBQJLYCEUQUCHDEJRZW/ vendor-advisory x_refsource_FEDORA
-
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFGPGLLKAXSLWFI62A6BZHTZSCHRCBXS/ vendor-advisory x_refsource_FEDORA
Other References for CVE-2019-10155 (1)
-
https://libreswan.org/security/CVE-2019-10155/ x_refsource_MISC
IV. Related Vulnerabilities
Same product: libreswan
-
CVE-2026-77207
Null Pointer Dereference in PKCS#7 bundle with no certificat -
CVE-2026-77206
IKEv2 pre-authentication Null Pointer Dereference in EAP cod -
CVE-2026-77205
Denial of Service via sending bogus X.509 certificates -
CVE-2026-94453
IKEv2 Use-After-Free bug when using IKE-over-TCP -
CVE-2026-14957
FIPS mode assertion failure via malicious CERT payload
Same vendor: the libreswan Project
-
CVE-2026-77207
Null Pointer Dereference in PKCS#7 bundle with no certificat -
CVE-2026-77206
IKEv2 pre-authentication Null Pointer Dereference in EAP cod -
CVE-2026-77205
Denial of Service via sending bogus X.509 certificates -
CVE-2026-94453
IKEv2 Use-After-Free bug when using IKE-over-TCP -
CVE-2026-14957
FIPS mode assertion failure via malicious CERT payload
Same weakness: CWE-354
-
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V. Comments for CVE-2019-10155
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