CVE-2017-11185
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service ...
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
CVE-2017-11185- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
EUVDEUVD-2017-2819
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
EUVD-2017-2819- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6hcq-7fxg-hvvv
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service ...
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
GHSA-6hcq-7fxg-hvvv- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-476
- Updated
- 2026-11-02
NVD
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
CVE-2017-11185- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
OSVALPINE-CVE-2017-11185
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
ALPINE-CVE-2017-11185- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSV
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
CVE-2017-11185- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2017-11185
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
DEBIAN-CVE-2017-11185- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-11185
The gmp plugin in strongSwan before 5.6.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted RSA signature.
- Record
UBUNTU-CVE-2017-11185- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11411-1 No score
strongswan-5.9.0-1.9 on GA media
These are all security issues fixed in the strongswan-5.9.0-1.9 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11411-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:2143-1 No score
Security update for strongswan
This update for strongswan fixes the following issues:
CVE-2017-11185: Specific RSA signatures passed to the gmp plugin for verification can cause a null-pointer dereference and it may lead to a denial of service (bsc#1051222)
- Record
SUSE-SU-2017:2143-1- Updated
- 2026-11-02
OSVSUSE-SU-2017:2293-1 No score
Security update for strongswan
This update for strongswan fixes the following issues:
- CVE-2017-11185: Specific RSA signatures passed to the gmp plugin for verification can cause a null-pointer dereference and it may lead to a denial of service (bsc#1051222)
- Record
SUSE-SU-2017:2293-1- Updated
- 2026-11-02
OSVUSN-3397-1 No score
strongswan vulnerability
It was discovered that strongSwan incorrectly handled verifying specific RSA signatures. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service.
- Record
USN-3397-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
strongswanAlpine:v3.3 |
before 5.3.5-r4 | 5.3.5-r4 |
strongswanAlpine:v3.4 |
before 5.4.0-r3 | 5.4.0-r3 |
strongswanAlpine:v3.5 |
before 5.5.3-r1 | 5.5.3-r1 |
strongswanAlpine:v3.6 |
before 5.5.3-r1 | 5.5.3-r1 |
strongswanDebian:12 |
before 5.6.0-1 | 5.6.0-1 |
strongswanDebian:13 |
before 5.6.0-1 | 5.6.0-1 |
strongswanDebian:14 |
before 5.6.0-1 | 5.6.0-1 |
strongswanDebian:7 |
before 4.5.2-1.5+deb7u10, plus listed versions 4.5.2-1.5+deb7u14.5.2-1.5+deb7u24.5.2-1.5+deb7u2~bpo60+14.5.2-1.5+deb7u34.5.2-1.5+deb7u3~bpo60+1 Show 5 moreShow less4.5.2-1.5+deb7u44.5.2-1.5+deb7u64.5.2-1.5+deb7u74.5.2-1.5+deb7u84.5.2-1.5+deb7u9 |
4.5.2-1.5+deb7u10 |
strongswanDebian:8 |
before 5.2.1-6+deb8u5, plus listed versions 5.2.1-65.2.1-6+deb8u15.2.1-6+deb8u1~bpo70+15.2.1-6+deb8u25.2.1-6+deb8u2~bpo70+15.2.1-6+deb8u35.2.1-6+deb8u4 |
5.2.1-6+deb8u5 |
strongswanDebian:9 |
before 5.5.1-4+deb9u1, plus listed versions 5.5.1-4 |
5.5.1-4+deb9u1 |
Show 12 moreShow less
| Package | Affected | Fixed |
|---|---|---|
strongswanSUSE:Linux Enterprise Desktop 12 SP2 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Desktop 12 SP3 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Server for Raspberry Pi 12 SP2 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Server 12 SP2 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Server for SAP Applications 12 SP2 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Server 12 SP3 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Server for SAP Applications 12 SP3 |
before 5.1.3-26.5.1 | 5.1.3-26.5.1 |
strongswanSUSE:Linux Enterprise Server 11 SP4 |
before 4.4.0-6.36.3.1 | 4.4.0-6.36.3.1 |
strongswanSUSE:Linux Enterprise Server for SAP Applications 11 SP4 |
before 4.4.0-6.36.3.1 | 4.4.0-6.36.3.1 |
strongswanUbuntu:14.04:LTS |
before 5.1.2-0ubuntu2.7, plus listed versions 4.6.4-95.1.0-25.1.0-35.1.1-0ubuntu15.1.1-0ubuntu2 Show 18 moreShow less5.1.1-0ubuntu35.1.1-0ubuntu45.1.1-0ubuntu55.1.1-0ubuntu75.1.1-0ubuntu145.1.1-0ubuntu175.1.2~dr3+git20130120-0ubuntu25.1.2~dr3+git20130120-0ubuntu35.1.2~rc1-0ubuntu35.1.2~rc1-0ubuntu45.1.2~rc2-0ubuntu25.1.2-0ubuntu15.1.2-0ubuntu25.1.2-0ubuntu2.25.1.2-0ubuntu2.35.1.2-0ubuntu2.45.1.2-0ubuntu2.55.1.2-0ubuntu2.6 |
5.1.2-0ubuntu2.7 |
strongswanUbuntu:16.04:LTS |
before 5.3.5-1ubuntu3.4, plus listed versions 5.1.2-0ubuntu65.1.2-0ubuntu75.1.2-0ubuntu85.3.5-1ubuntu15.3.5-1ubuntu2 Show 4 moreShow less5.3.5-1ubuntu35.3.5-1ubuntu3.15.3.5-1ubuntu3.25.3.5-1ubuntu3.3 |
5.3.5-1ubuntu3.4 |
strongswanopenSUSE:Tumbleweed From an advisory covering 7 CVEs |
before 5.9.0-1.9 | 5.9.0-1.9 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-11185 is a high vulnerability (CVSS 7.5) in Strongswan, published August 11, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.83%, the 86th percentile. Fixed in strongswan 5.3.5-r4.
References
securityfocus.com/bid/100492
debian.org/security/2017/dsa-3962
strongswan.org/blog/2017/08/14/strongswan-vulnerability-%28cve-2017-11185%29.html
nvd.nist.gov/vuln/detail/CVE-2017-11185
github.com/advisories/GHSA-6hcq-7fxg-hvvv
Show 15 moreShow less
security.alpinelinux.org/vuln/CVE-2017-11185
security-tracker.debian.org/tracker/CVE-2017-11185
suse.com/support/update/announcement/2017/suse-su-20172143-1
bugzilla.suse.com/1051222
ubuntu.com/security/CVE-2017-11185
cve.org/CVERecord?id=CVE-2017-11185