7.1

CVE-2018-1000654: gnu libtasn1

CVSS: 7.1v2.0HighModified
AliasesALPINE-CVE-2018-1000654MGASA-2019-0359SUSE-SU-2019:1372-1
Published 20-08-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-1000654 is a high (CVSS 7.1) vulnerability in gnu libtasn1. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
39/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v2.0 (NVD)
EPSS score
2.01%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2024:11001-1SUSE-SU-2019:1379-1SUSE-SU-2022:3797-1

Timeline

  1. 20-08-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.01%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.01% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.01%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Suse3 products
  • libtasn1&distro=SUSE Linux Enterprise Module for Basesystem 15< 4.13-4.5.1
  • libtasn1&distro=SUSE Linux Enterprise Module for Basesystem 15 SP1< 4.13-4.5.1
  • libtasn1&distro=SUSE Linux Enterprise Module for Desktop Applications 15< 4.13-4.5.1
Opensuse2 products
  • libtasn1&distro=openSUSE Leap 15.0< 4.13-lp151.4.3.1
  • libtasn1&distro=openSUSE Leap 15.1< 4.13-lp151.4.3.1
Alpine1 product
  • libtasn1< 4.14-r0 | < 4.12-r4
Debian1 product
  • libtasn1-6< 4.14-2
Gnu1 product
Mageia1 product
  • libtasn1< 4.14-1.mga7
Ubuntu1 product
  • libtasn1-6All versions (No fix recorded) | < 4.7-3ubuntu0.16.04.3+esm2

7 vendors · 10 products

References

18 links
Show all 18 references