CVE-2012-5821
Published: 4 November 2012
Lynx does not verify that the server's certificate is signed by a trusted certification authority, which allows man-in-the-middle attackers to spoof SSL servers via a crafted certificate, related to improper use of a certain GnuTLS function.
Notes
Author | Note |
---|---|
jdstrand | 2.8.8dev.13 added a call to gnutls_certificate_set_verify_flags(), but it wasn't enough to prompt for self-signed certificates patch submitted upstream fixed in lynx2.8.8dev.15 |
Priority
Status
Package | Release | Status |
---|---|---|
lynx Launchpad, Ubuntu, Debian |
hardy |
Ignored
(end of life)
|
lucid |
Does not exist
|
|
oneiric |
Does not exist
|
|
precise |
Does not exist
|
|
quantal |
Does not exist
|
|
upstream |
Needed
|
|
lynx-cur Launchpad, Ubuntu, Debian |
hardy |
Ignored
(end of life)
|
lucid |
Released
(2.8.8dev.2-1ubuntu0.1)
|
|
oneiric |
Released
(2.8.8dev.9-2ubuntu0.11.10.1)
|
|
precise |
Released
(2.8.8dev.9-2ubuntu0.12.04.1)
|
|
quantal |
Released
(2.8.8dev.12-2ubuntu0.1)
|
|
upstream |
Released
(lynx2.8.8dev.15-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.9 |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |