Medium severity · published Jul 15, 2019
CVE-2019-1010023
GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file
5.4
CVSS
3.1%
EPSS
No
On KEV
Description
GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file. The impact is: In worst case attacker may evaluate privileges. The component is: libld. The attack vector is: Attacker sends 2 ELF files to victim and asks to run ldd on it. ldd execute code. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GL
glibc · GNU Libc
current (At least as of 2018-02-16) · source: vendor, NVD
SS
SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5; V3.1.0 before V3.1.5 · source: CISA
SS
SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · Siemens
V3.1.0 before V3.1.5 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-1010023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-1010023
Third Party Advisory
http://www.securityfocus.com/bid/109167
security-tracker.debian.org
https://security-tracker.debian.org/tracker/CVE-2019-1010023
Exploit
https://sourceware.org/bugzilla/show_bug.cgi?id=22851
support.f5.com
https://support.f5.com/csp/article/K11932200?utm_source=f5support&%3Butm_medium=RSS
ubuntu.com
https://ubuntu.com/security/CVE-2019-1010023
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-398330.html
More from glibc
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A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out
5.3
CVE-2019-1010025
GNU Libc current is affected by: Mitigation bypass
5.3
CVE-2019-1010024
GNU Libc current is affected by: Mitigation bypass