CVE-2021-36980

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-36980
Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 Patch Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml Third Party Advisory
https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f Patch Third Party Advisory
https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 Patch Third Party Advisory
https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 Patch Third Party Advisory
https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 Patch Third Party Advisory
https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 Patch Third Party Advisory
https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 Patch Third Party Advisory
https://security.gentoo.org/glsa/202311-16
Configurations

Configuration 1 (hide)

cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
History

26 Nov 2023, 11:15

Type Values Removed Values Added
References
  • () https://security.gentoo.org/glsa/202311-16 -

28 Jul 2021, 19:48

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 5.5
References (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 - (MISC) https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 - Patch, Third Party Advisory
References (MISC) https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml - (MISC) https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml - Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 - (MISC) https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 - Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f - (MISC) https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f - Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 - (MISC) https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 - Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 - (MISC) https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 - Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 - (MISC) https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 - Patch, Third Party Advisory
References (MISC) https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 - (MISC) https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 - Patch, Third Party Advisory
CPE cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
CWE CWE-416

20 Jul 2021, 07:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-20 07:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-36980

Mitre link : CVE-2021-36980

CVE.ORG link : CVE-2021-36980

JSON object : View

Products Affected

openvswitch

  • openvswitch
CWE
CWE-416

Use After Free