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Ubuntu.comUB:CVE-2022-40281

HistorySep 08, 2022 - 12:00 a.m.

CVE-2022-40281

2022-09-0800:00:00

ubuntu.com

samsung tizenrt

cyassl_connect_step2

x509_free

information disclosure

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.005

Percentile

75.2%

JSON

An issue was discovered in Samsung TizenRT through 3.0_GBM (and 3.1_PRE).
cyassl_connect_step2 in curl/vtls/cyassl.c has a missing X509_free after
SSL_get_peer_certificate, leading to information disclosure.

Notes

Author	Note
alexmurray	0ad contains a vendored copy of curl with this same code/function

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarch0ad< anyUNKNOWN
ubuntu20.04noarch0ad< anyUNKNOWN
ubuntu22.04noarch0ad< anyUNKNOWN
ubuntu16.04noarch0ad< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	0ad	< any	UNKNOWN
ubuntu	20.04	noarch	0ad	< any	UNKNOWN
ubuntu	22.04	noarch	0ad	< any	UNKNOWN
ubuntu	16.04	noarch	0ad	< any	UNKNOWN

References

github.com/Samsung/TizenRT/blob/f8f776dd183246ad8890422c1ee5e8f33ab2aaaf/external/curl/vtls/cyassl.c#L545

github.com/Samsung/TizenRT/issues/5626

launchpad.net/bugs/cve/CVE-2022-40281

nvd.nist.gov/vuln/detail/CVE-2022-40281

security-tracker.debian.org/tracker/CVE-2022-40281

www.cve.org/CVERecord?id=CVE-2022-40281

www.openssl.org/docs/man1.1.1/man3/SSL_get_peer_certificate.html

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.005

Percentile

75.2%

JSON

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