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| author | Tijl Coosemans <tijl@FreeBSD.org> | 2021-12-30 18:50:23 +0000 |
|---|---|---|
| committer | Tijl Coosemans <tijl@FreeBSD.org> | 2021-12-30 19:00:00 +0000 |
| commit | e362772ad14b5b08de023ed0a4401bb6ca7cf6d1 (patch) | |
| tree | 3afcdf0d19083dec994659240e76b653abd1d999 /security | |
| parent | 99f3b8afd1ffb9df4cc95e4883127aa7ce3b9e00 (diff) | |
| download | ports-e362772ad14b5b08de023ed0a4401bb6ca7cf6d1.tar.gz ports-e362772ad14b5b08de023ed0a4401bb6ca7cf6d1.zip | |
security/vuxml: Document Mbed TLS advisory 2021-12
Diffstat (limited to 'security')
| -rw-r--r-- | security/vuxml/vuln-2021.xml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/security/vuxml/vuln-2021.xml b/security/vuxml/vuln-2021.xml index 78344b256bce..0e49315af241 100644 --- a/security/vuxml/vuln-2021.xml +++ b/security/vuxml/vuln-2021.xml @@ -1,3 +1,38 @@ + <vuln vid="c1b2b492-6999-11ec-a50c-001cc0382b2f"> + <topic>Mbed TLS -- Potential double-free after an out of memory error</topic> + <affects> + <package> + <name>mbedtls</name> + <range><lt>2.16.12</lt></range> + <range><ge>2.17.0</ge><lt>2.28.0</lt></range> + </package> + </affects> + <description> + <body xmlns="http://www.w3.org/1999/xhtml"> + <p>Manuel Pégourié-Gonnard reports:</p> + <blockquote cite="https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12"> + <p>If mbedtls_ssl_set_session() or mbedtls_ssl_get_session() were to + fail with MBEDTLS_ERR_SSL_ALLOC_FAILED (in an out of memory + condition), then calling mbedtls_ssl_session_free() and + mbedtls_ssl_free() in the usual manner would cause an internal + session buffer to be freed twice, due to two structures both having + valid pointers to it after a call to ssl_session_copy().</p> + <p>An attacker could potentially trigger the out of memory condition, + and therefore use this bug to create memory corruption, which could + then be further exploited or targetted.</p> + </blockquote> + </body> + </description> + <references> + <cvename>CVE-2021-44732</cvename> + <url>https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12</url> + </references> + <dates> + <discovery>2021-12-14</discovery> + <entry>2021-12-30</entry> + </dates> + </vuln> + <vuln vid="ede832bf-6576-11ec-a636-000c29061ce6"> <topic>OpenDMARC - Remote denial of service</topic> <affects> |