CVE-2018-6003: debian debian_linux Uncontrolled Recursion
CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2018-6003SUSE-SU-2018:0295-1UBUNTU-CVE-2018-6003DEBIAN-CVE-2018-6003
Published 22-01-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-6003 is a high (CVSS 7.5) Uncontrolled Recursion vulnerability in debian debian_linux. EPSS estimates a 2.83% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 22-01-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in the _asn1_decode_simple_ber function in decoding.c in GNU Libtasn1 before 4.13. Unlimited recursion in the BER decoder leads to stack exhaustion and DoS.
CVSS metrics
6 scores · 4 sources · 3 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
High 7.5Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.83%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.83% on 18-09-2026
18-09-202618-10-2026
EPSS score2.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse4 products
- libtasn1&distro=SUSE Linux Enterprise Desktop 12 SP3< 4.9-3.5.1
- libtasn1&distro=SUSE Linux Enterprise Server 12 SP3< 4.9-3.5.1
- libtasn1&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP3< 4.9-3.5.1
- libtasn1&distro=SUSE Linux Enterprise Software Development Kit 12 SP3< 4.9-3.5.1
Debian2 products
- libtasn1-6< 4.13-2
- debian_linuxEOL9.0
Alpine1 product
- libtasn1< 4.13-r0 | < 4.8-r3 | < 4.9-r3 | < 4.10-r3 | < 4.12-r3
Fedoraproject1 product
- fedoraEOL26 | 27
Gnu1 product
- libtasn1≤ 4.12
Ubuntu1 product
- libtasn1-6< 4.7-3ubuntu0.16.04.3
6 vendors · 10 products
References
15 links- gitlab.com/gnutls/libtasn1/commit/946565d8eb05fbf7970ea366e817581bb5a90910X Refsource CONFIRMThird Party AdvisoryREPORT
- bugzilla.suse.com/show_bug.cgi?id=1076832X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT
- bugzilla.redhat.com/show_bug.cgi?id=1535926X Refsource CONFIRMIssue TrackingThird Party AdvisoryREPORT
- git.savannah.nongnu.org/cgit/libtasn1.git/commit/?id=c593ae84cfcde8fea45787e53950e0ac71e9ca97X Refsource CONFIRMPatchVendor AdvisoryREPORT