CVE-2020-27545 — Release of Invalid Pointer or Reference in Project Libdwarf

CWE-763 — Release of Invalid Pointer or Reference CWE-125 — Out-of-bounds Read7 documents7 sources

Severity

6.5MEDIUMNVD

EPSS

0.1%

top 73.12%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Libdwarf Project Libdwarf

Timeline

PublishedApr 16

Description

libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDlibdwarf_project/libdwarf< 2020-10-17

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

GHSA

GHSA-9mh7-9qxg-6fpq: libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object↗2023-04-16

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OSV

CVE-2020-27545: libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object↗2023-04-16

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CVEList

CVE-2020-27545: libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object↗2023-04-15

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📋Vendor Advisories

Microsoft

libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid pointer dereference via an invalid line table in a crafted object.↗2023-04-11

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Red Hat

libdwarf: carefully corrupted line table can crash calling app↗2021-11-22

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Debian

CVE-2020-27545: dwarfutils - libdwarf before 20201017 has a one-byte out-of-bounds read because of an invalid...↗2020

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