CVE-2014-3468 — Incorrect Calculation of Buffer Size in Libtasn1

CWE-131 — Incorrect Calculation of Buffer SizeCWE-392 — Missing Report of Error ConditionCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer12 documents8 sources
Severity
7.5HIGHNVD
EPSS
10.7%
top 6.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
15
GNU GnutlsGNU Libtasn1F5 ARX Firmware+12 more
Timeline
PublishedJun 5
Latest updateMay 13

Description

The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly report an error when a negative bit length is identified, which allows context-dependent attackers to cause out-of-bounds access via crafted ASN.1 data.

CVSS vector

AV:N/AC:L/C:P/I:P/A:PExploitability: 10.0 | Impact: 6.4

Affected Packages11 packages

▶NVDgnu/libtasn1< 3.6
▶NVDgnu/gnutls< 3.5.7
▶NVDf5/arx_firmware6.0.0 — 6.4.0

Also affects: Debian Linux 7.0, Enterprise Linux 6.5, 7.3, 7.4, 7.5, 7.6, 7.7

Patches

Patch: git.savannah.gnu.org ↗Patch: lists.gnu.org ↗Patch: git.savannah.gnu.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-qg3j-x87h-jwjm: The asn1_get_bit_der function in GNU Libtasn1 before 3↗2022-05-13
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OSV
libtasn1-3, libtasn1-6 vulnerabilities↗2014-07-22
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OSV
CVE-2014-3468: The asn1_get_bit_der function in GNU Libtasn1 before 3↗2014-06-05
▶
CVEList
CVE-2014-3468: The asn1_get_bit_der function in GNU Libtasn1 before 3↗2014-06-05
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📋Vendor Advisories

3
Ubuntu
Libtasn1 vulnerabilities↗2014-07-22
▶
Red Hat
libtasn1: asn1_get_bit_der() can return negative bit length↗2014-05-25
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Debian
CVE-2014-3468: libtasn1-6 - The asn1_get_bit_der function in GNU Libtasn1 before 3.6 does not properly repor...↗2014
▶

💬Community

4
Bugzilla
CVE-2014-3467 CVE-2014-3469 CVE-2014-3468 libtasn1: various flaws [fedora-all]↗2014-05-30
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Bugzilla
CVE-2014-3467 CVE-2014-3469 CVE-2014-3468 mingw32-gnutls: various flaws [epel-5]↗2014-05-30
▶
Bugzilla
CVE-2014-3467 CVE-2014-3469 CVE-2014-3468 mingw-libtasn1: various flaws [fedora-all]↗2014-05-30
▶
Bugzilla
CVE-2014-3468 libtasn1: asn1_get_bit_der() can return negative bit length↗2014-05-28
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CVE-2014-3468 — Incorrect Calculation of Buffer Size | cvebase