debian/openconnect vulnerabilities

Latest debian/openconnect CVEs

Newest publication first

1. DLA-2212-1 openconnect - security update

   Published 2020-05-16

   Unknown

2. CVE-2020-12823 OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.

   Published 2020-05-12

   Critical·CVSS 9.8 EPSS 4.7%

   OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.

3. CVE-2020-12105 OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.

   Published 2020-04-23

   Medium·CVSS 5.9 EPSS 1.7%

   OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.

4. CVE-2013-7098 OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

   Published 2020-02-13

   Critical·CVSS 9.8 EPSS 1.5%

   OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.

5. DSA-4607-1 openconnect - security update

   Published 2020-01-20

   Unknown

6. DLA-1945-1 openconnect - security update

   Published 2019-10-03

   Unknown

7. CVE-2019-16239 process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.

   Published 2019-09-17

   Critical·CVSS 9.8 EPSS 3.4%

   process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.

8. CVE-2012-6128 Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie l...

   Published 2013-02-24

   Medium·CVSS 5.0 EPSS 2.6%

   Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.

9. DSA-2623-1 openconnect - buffer overflow

   Published 2013-02-14

   Unknown

10. DSA-2495-1 openconnect - buffer overflow

    Published 2012-06-16

    Unknown

11. CVE-2012-3291 Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.

    Published 2012-06-07

    High·CVSS 7.8 EPSS 2.3%

    Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.

12. CVE-2010-3903 Unspecified vulnerability in OpenConnect before 2.23 allows remote AnyConnect SSL VPN servers to cause a denial of service (application crash) via a 404 HTTP status code.

    Published 2010-10-12

    Medium·CVSS 5.0 EPSS 0.98%

    Unspecified vulnerability in OpenConnect before 2.23 allows remote AnyConnect SSL VPN servers to cause a denial of service (application crash) via a 404 HTTP status code.

13. CVE-2010-3902 OpenConnect before 2.26 places the webvpn cookie value in the debugging output, which might allow remote attackers to obtain sensitive information by reading this output, as demonstrated by output pos...

    Published 2010-10-12

    Medium·CVSS 5.0 EPSS 2.3%

    OpenConnect before 2.26 places the webvpn cookie value in the debugging output, which might allow remote attackers to obtain sensitive information by reading this output, as demonstrated by output posted to the public openconnect-devel mailing list.

14. CVE-2010-3901 OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1)....

    Published 2010-10-12

    Medium·CVSS 6.4 EPSS 0.60%

    OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances...

15. CVE-2009-5009 Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a craf...

    Published 2010-10-12

    Medium·CVSS 5.0 EPSS 0.98%

    Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted DTLS Cipher option during a reconnect operation.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.