Vulnerability · Published Mar 4, 2020 · Assigned by mitre
CVE-2020-10029
Medium 5.5
In plain English
A medium-severity security flaw in the glibc package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.8%top 44.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | glibc | 2.30-1 | DEBIAN-CVE-2020-10029 |
| Debian:13 | glibc | 2.30-1 | DEBIAN-CVE-2020-10029 |
| Debian:14 | glibc | 2.30-1 | DEBIAN-CVE-2020-10029 |
Affected products (as reported)
References
- https://sourceware.org/bugzilla/show_bug.cgi?id=25487
- https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=9333498794cde1d5cca518badf79533a24114b6f
- openSUSE-SU-2020:0381 vendor-advisory
- https://security.netapp.com/advisory/ntap-20200327-0003/
- FEDORA-2020-444c372453 vendor-advisory
- FEDORA-2020-244efc27af vendor-advisory
- FEDORA-2020-7f625c5ea8 vendor-advisory
- GLSA-202006-04 vendor-advisory
- USN-4416-1 vendor-advisory
- [debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security update mailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-831302.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html