Pull malicious images may cause process to be hijacked

published 2023-10-29 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20312

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits: 0; none known

When malicious images are pulled by isula pull, attackers can execute arbitrary code.

Patch / fix

fixed in 1 links 2

openEuler iSulad 0102-fix-loading-of-nsswitch-based-config-inside-chr.patch, 0106-fix-loading-of-nsswitch-based-config-inside-chroot-u.patch

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-09-09)

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

openEuler iSulad

Classification

Weakness

CWE-665 Improper Initialization
CWE-94 Improper Control of Generation of Code

References

gitee.com /src-openeuler/iSulad/pulls/627/files
patch
gitee.com /src-openeuler/iSulad/pulls/600/files
patch
openeuler.org /zh/security/security-bulletins/detail/?id=openEuler-SA-2023-1686
vendor-advisory

Sources

CVE List CVE-2021-33635
NVD CVE-2021-33635

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary