CVE-2021-27645
published 2021-02-24CVE-2021-27645: The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due…
PriorityP46low2.5CVSS 3.1
AVLACHPRLUINSUCNINAL
EPSS
0.37%
29.7th percentile
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.
Affected
12 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | glibc | < glibc 2.31-10 (bookworm) | glibc 2.31-10 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| gnu | glibc | >= 0 < 2.31-10 | 2.31-10 |
| gnu | glibc | >= 0 < 2.31-10 | 2.31-10 |
| gnu | glibc | >= 0 < 2.31-10 | 2.31-10 |
| gnu | glibc | >= 0 < 2.31-10 | 2.31-10 |
| gnu | glibc | >= 0 < 2.27-3ubuntu1.5 | 2.27-3ubuntu1.5 |
| gnu | glibc | >= 0 < 2.31-0ubuntu9.7 | 2.31-0ubuntu9.7 |
| gnu | glibc | 2.29 – 2.33 | — |
| paloalto | pan-os | — | — |
CVSS provenance
nvdv3.12.5LOWCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
nvdv2.01.9LOWAV:L/AC:M/Au:N/C:N/I:N/A:P
osv5.9MEDIUM
vendor_ubuntu5.9MEDIUM
vendor_debian2.5LOW
vendor_redhat2.5LOW
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GHSA
GHSA-2hpw-5cjm-953f: The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2
ghsa_unreviewed·2022-05-24
CVE-2021-27645 [MEDIUM] CWE-415 GHSA-2hpw-5cjm-953f: The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.
OSV
glibc vulnerabilities
osv·2022-03-01·CVSS 5.9
CVE-2016-10228 [MEDIUM] glibc vulnerabilities
glibc vulnerabilities
Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library
iconv feature incorrectly handled certain input sequences. An attacker
could possibly use this issue to cause the GNU C Library to hang or crash,
resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS
and Ubuntu 20.04 LTS. (CVE-2016-10228, CVE-2019-25013, CVE-2020-27618,
CVE-2020-29562, CVE-2021-3326)
Jason Royes and Samuel Dytrych discovered that the GNU C Library
incorrectly handled signed comparisons on ARMv7 targets. A remote attacker
could use this issue to cause the GNU C Library to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-6096)
It was discovered that the
OSV
CVE-2021-27645: The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2
osv·2021-02-24·CVSS 2.5
CVE-2021-27645 [LOW] CVE-2021-27645: The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.
Palo Alto
PAN-SA-2024-0012 Informational Bulletin: OSS CVEs fixed in PAN-OS
vendor_paloalto·2024-10-29·CVSS 9.8
CVE-2019-17006 [CRITICAL] PAN-SA-2024-0012 Informational Bulletin: OSS CVEs fixed in PAN-OS
PAN-SA-2024-0012 Informational Bulletin: OSS CVEs fixed in PAN-OS
The Palo Alto Networks Product Security Assurance team has evaluated the following open source software (OSS) CVEs as they relate to PAN-OS. While it was not determined that these CVEs have any significant impact on PAN-OS, they have been fixed out of an abundance of caution. CVE Summary CVE-2019-17006 This CVE is fixed in PAN-OS 10.2.0, and all later versions of PAN-OS. CVE-2021-3518 This CVE is fixed in PAN-OS 10.2.0, and all later versions of PAN-OS. CVE-2021-25219 This CVE is fixed in PAN-OS 10.2.3, and all later versions of PAN-OS. CVE-2021-27645 This CVE is fixed in PAN-OS 10.2.8, PAN-OS 11.0.2, and all later versions of PAN-OS. CVE-2021-34798 This CVE is fixed in PAN-OS 10.2.8, PAN-OS 11.0.2, and all later versions o
CISA ICS
Siemens SIMATIC S7-1500 TM MFP BIOS
cisa_ics·2023-06-15·CVSS 5.9
[MEDIUM] Siemens SIMATIC S7-1500 TM MFP BIOS
ICS Advisory
##
Siemens SIMATIC S7-1500 TM MFP BIOS
Release DateJune 15, 2023
Alert CodeICSA-23-166-10
## As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global).
## 1. EXECUTIVE SUMMARY
- CVSS v3 9.8
- ATTENTION: Exploitable remotely / low attack complexity
- Vendor: Siemens
- Equipment: SIMATIC S7-1500 TM MFP
- Vulnerabilities: Improper Input Validation, Out-of-bounds Read, Use After Free, Out-of-bounds Write, Infinite Loop, Reachable Assertion, Off-by-one Error, Incorrect Default Permissions, Double Fr
Ubuntu
GNU C Library vulnerabilities
vendor_ubuntu·2022-03-01·CVSS 5.9
CVE-2021-3999 [MEDIUM] GNU C Library vulnerabilities
Title: GNU C Library vulnerabilities
Summary: Several security issues were fixed in GNU C Library.
Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library
iconv feature incorrectly handled certain input sequences. An attacker
could possibly use this issue to cause the GNU C Library to hang or crash,
resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS
and Ubuntu 20.04 LTS. (CVE-2016-10228, CVE-2019-25013, CVE-2020-27618,
CVE-2020-29562, CVE-2021-3326)
Jason Royes and Samuel Dytrych discovered that the GNU C Library
incorrectly handled signed comparisons on ARMv7 targets. A remote attacker
could use this issue to cause the GNU C Library to crash, resulting in a
denial of service, or possibly execute arbitrary code. This issue only
affected Ubunt
Red Hat
glibc: Use-after-free in addgetnetgrentX function in netgroupcache.c
vendor_redhat·2021-02-24·CVSS 2.5
CVE-2021-27645 [LOW] CWE-416 glibc: Use-after-free in addgetnetgrentX function in netgroupcache.c
glibc: Use-after-free in addgetnetgrentX function in netgroupcache.c
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6), when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system.
Statement: This is a local crash in nscd causing a performance penalty. It is constrained by needing a netgroup request to have a response larger than 1K to cause the double-free crash. Th
Debian
CVE-2021-27645: glibc - The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2...
vendor_debian·2021·CVSS 2.5
CVE-2021-27645 [LOW] CVE-2021-27645: glibc - The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2...
The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.
Scope: local
bookworm: resolved (fixed in 2.31-10)
bullseye: resolved (fixed in 2.31-10)
forky: resolved (fixed in 2.31-10)
sid: resolved (fixed in 2.31-10)
trixie: resolved (fixed in 2.31-10)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/https://security.gentoo.org/glsa/202107-07https://sourceware.org/bugzilla/show_bug.cgi?id=27462https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/https://security.gentoo.org/glsa/202107-07https://sourceware.org/bugzilla/show_bug.cgi?id=27462
2021-02-24
Published