Infradead: >> Openconnect >> 2.23 Security Vulnerabilities
OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.
CVSS Score
5.9
EPSS Score
0.002
Published
2020-04-23
OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection.
CVSS Score
9.8
EPSS Score
0.007
Published
2020-02-13
process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes.
CVSS Score
9.8
EPSS Score
0.048
Published
2019-09-17
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.
CVSS Score
5.0
EPSS Score
0.01
Published
2013-02-24
Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner.
CVSS Score
7.8
EPSS Score
0.011
Published
2012-06-07
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.
CVSS Score
5.0
EPSS Score
0.006
Published
2010-10-14