Risk | Low |
Patch available | YES |
Number of vulnerabilities | 5 |
CVE-ID | CVE-2021-42778 CVE-2021-42779 CVE-2021-42780 CVE-2021-42781 CVE-2021-42782 |
CWE-ID | CWE-415 CWE-416 CWE-252 CWE-122 CWE-121 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Gentoo Linux Operating systems & Components / Operating system dev-libs/opensc Operating systems & Components / Operating system package or component |
Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 5 vulnerabilities.
EUVDB-ID: #VU66143
Risk: Low
CVSSv3.1: 2.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42778
CWE-ID:
CWE-415 - Double Free
Exploit availability: No
DescriptionThe vulnerability allows an attacker with physical access to perform a denial of service attack.
The vulnerability exists due to a boundary error. An attacker with physical access can pass specially crafted data to the application, trigger double free error, and perform a denial of service attack.
MitigationUpdate the affected packages.
dev-libs/opensc to version: 0.22.0
Gentoo Linux: All versions
dev-libs/opensc: before 0.22.0
External linkshttp://security.gentoo.org/glsa/202209-03
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU66142
Risk: Low
CVSSv3.1: 1.8 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42779
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows an attacker with physical access to perform a denial of service attack.
The vulnerability exists due to a use-after-free error in Opensc in sc_file_valid. An attacker with physical access can trigger use-after-free to perform a denial of service attack.
MitigationUpdate the affected packages.
dev-libs/opensc to version: 0.22.0
Gentoo Linux: All versions
dev-libs/opensc: before 0.22.0
External linkshttp://security.gentoo.org/glsa/202209-03
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU66136
Risk: Low
CVSSv3.1: 2.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42780
CWE-ID:
CWE-252 - Unchecked Return Value
Exploit availability: No
DescriptionThe vulnerability allows an attacker with physical access to perform denial of service attacks.
The vulnerability exists due to use after return issue in insert_pin() function in Opensc. An attacker with physical access can trigger the vulnerability to perform denial of service attacks.
MitigationUpdate the affected packages.
dev-libs/opensc to version: 0.22.0
Gentoo Linux: All versions
dev-libs/opensc: before 0.22.0
External linkshttp://security.gentoo.org/glsa/202209-03
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU66141
Risk: Low
CVSSv3.1: 1.8 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42781
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: No
DescriptionThe vulnerability allows an attacker with physical access to perform denial of service attack.
The vulnerability exists due to a boundary error in Opensc before in pkcs15-oberthur.c. An attacker with physical access can pass specially crafted data to the application, trigger a heap-based buffer overflow and perform denial of service attack.
MitigationUpdate the affected packages.
dev-libs/opensc to version: 0.22.0
Gentoo Linux: All versions
dev-libs/opensc: before 0.22.0
External linkshttp://security.gentoo.org/glsa/202209-03
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU66137
Risk: Low
CVSSv3.1: 2.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-42782
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows an attacker with physical access to perform a denial of service attack.
The vulnerability exists due to a boundary error in Opensc in various places. An attacker with physical access can trigger stack-based buffer overflow and perform a denial of service attack.
MitigationUpdate the affected packages.
dev-libs/opensc to version: 0.22.0
Gentoo Linux: All versions
dev-libs/opensc: before 0.22.0
External linkshttp://security.gentoo.org/glsa/202209-03
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.