Vulnerability-Lookup

OPENSUSE-SU-2019:1341-1

Vulnerability from csaf_opensuse - Published: 2019-05-08 07:42 - Updated: 2026-09-20 18:49

Summary

Security update for yubico-piv-tool

Severity

Low

Notes

Title of the patch: Security update for yubico-piv-tool

Description of the patch: This update for yubico-piv-tool fixes the following issues: Security issues fixed: - Fixed an buffer overflow and an out of bounds memory read in ykpiv_transfer_data(), which could be triggered by a malicious token. (CVE-2018-14779, bsc#1104809, YSA-2018-03) - Fixed an buffer overflow and an out of bounds memory read in _ykpiv_fetch_object(), which could be triggered by a malicious token. (CVE-2018-14780, bsc#1104811, YSA-2018-03) This update was imported from the SUSE:SLE-15:Update update project.

Patchnames: openSUSE-2019-1341

CVE-2018-14779

7.1 (High)


                
                  CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Recommended 5 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 15.0:libykcs11-1-0:1.5.0-lp150.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.0:libykcs11-devel-0:1.5.0-lp150.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.0:libykpiv-devel-0:1.5.0-lp150.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.0:libykpiv1-0:1.5.0-lp150.2.3.1.x86_64	—	Vendor Fix
Unresolved product id: openSUSE Leap 15.0:yubico-piv-tool-0:1.5.0-lp150.2.3.1.x86_64	—	Vendor Fix

Threats

Impact important

CVE-2018-14780

2.2 (Low)


                
                  CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

Affected products

Recommended 5 products, the same list as for CVE-2018-14779

Threats

Impact low

References

13 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://lists.opensuse.org/archives/list/security…	self
https://lists.opensuse.org/archives/list/security…	self
https://bugzilla.suse.com/1104809	self
https://bugzilla.suse.com/1104811	self
https://www.suse.com/security/cve/CVE-2018-14779/	self
https://www.suse.com/security/cve/CVE-2018-14780/	self
https://www.suse.com/security/cve/CVE-2018-14779	external
https://bugzilla.suse.com/1104809	external
https://www.suse.com/security/cve/CVE-2018-14780	external
https://bugzilla.suse.com/1104809	external
https://bugzilla.suse.com/1104811	external

JSON

To clipboard

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}

CVE-2018-14779 (GCVE-0-2018-14779)

Vulnerability from cvelistv5 – Published: 2018-08-15 18:00 – Updated: 2024-08-05 09:38

Summary

A buffer overflow issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function `ykpiv_transfer_data()`: {% highlight c %} if(*out_len + recv_len - 2 > max_out) { fprintf(stderr, "Output buffer to small, wanted to write %lu, max was %lu.", *out_len + recv_len - 2, max_out); } if(out_data) { memcpy(out_data, data, recv_len - 2); out_data += recv_len - 2; *out_len += recv_len - 2; } {% endhighlight %} -- it is clearly checked whether the buffer is big enough to hold the data copied using `memcpy()`, but no error handling happens to avoid the `memcpy()` in such cases. This code path can be triggered with malicious data coming from a smartcard.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://www.yubico.com/support/security-advisorie…	x_refsource_CONFIRM
https://www.x41-dsec.de/lab/advisories/x41-2018-0…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2018/08/14/2	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4276-1/	vendor-advisoryx_refsource_UBUNTU

Date Public

2018-08-11 00:00

Show details on NVD website

JSON

To clipboard

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CVE-2018-14780 (GCVE-0-2018-14780)

Vulnerability from cvelistv5 – Published: 2018-08-15 18:00 – Updated: 2024-08-05 09:38

Summary

An out-of-bounds read issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function `_ykpiv_fetch_object()`: {% highlight c %} if(sw == SW_SUCCESS) { size_t outlen; int offs = _ykpiv_get_length(data + 1, &outlen); if(offs == 0) { return YKPIV_SIZE_ERROR; } memmove(data, data + 1 + offs, outlen); *len = outlen; return YKPIV_OK; } else { return YKPIV_GENERIC_ERROR; } {% endhighlight %} -- in the end, a `memmove()` occurs with a length retrieved from APDU data. This length is not checked for whether it is outside of the APDU data retrieved. Therefore the `memmove()` could copy bytes behind the allocated data buffer into this buffer.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

4 references

URL	Tags
https://www.yubico.com/support/security-advisorie…	x_refsource_CONFIRM
https://www.x41-dsec.de/lab/advisories/x41-2018-0…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2018/08/14/2	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4276-1/	vendor-advisoryx_refsource_UBUNTU

Date Public

2018-08-11 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

OPENSUSE-SU-2019:1341-1

CVE-2018-14779 (GCVE-0-2018-14779)

CVE-2018-14780 (GCVE-0-2018-14780)

Tags

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Nomenclature

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