CVE-2016-4353 — Improper Input Validation in Libksba

CWE-20 — Improper Input Validation9 documents7 sources
Severity
7.5HIGHNVD
EPSS
1.1%
top 22.16%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Gnupg LibksbaDebian LibksbaCanonical Ubuntu Linux
Timeline
PublishedJun 13
Latest updateMay 13

Description

ber-decoder.c in Libksba before 1.3.3 does not properly handle decoder stack overflows, which allows remote attackers to cause a denial of service (abort) via crafted BER data.

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/libksba< libksba 1.3.3-1 (bookworm)
▶Debiangnupg/libksba< 1.3.3-1+3
▶Ubuntugnupg/libksba< 1.3.0-3ubuntu0.14.04.2+1
▶NVDgnupg/libksba1.3.2

Also affects: Ubuntu Linux 12.04, 14.04

🔴Vulnerability Details

3
GHSA
GHSA-qcgh-wvgp-7qgv: ber-decoder↗2022-05-13
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OSV
CVE-2016-4353: ber-decoder↗2016-06-13
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OSV
libksba vulnerabilities↗2016-05-17
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📋Vendor Advisories

3
Ubuntu
Libksba vulnerabilities↗2016-05-17
▶
Debian
CVE-2016-4353: libksba - ber-decoder.c in Libksba before 1.3.3 does not properly handle decoder stack ove...↗2016
▶
Red Hat
libksba: denial of service due to stack overflow in src/ber-decoder.c (push_decoder_state, pop_decoder_state)↗2015-04-08
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💬Community

2
Bugzilla
CVE-2016-4353 libksba: denial of service due to stack overflow in src/ber-decoder.c (push_decoder_state, pop_decoder_state)↗2015-04-13
▶
Bugzilla
CVE-2016-4353 CVE-2016-4354 CVE-2016-4355 CVE-2016-4356 libksba: various flaws [fedora-all]↗2015-04-13
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