ugrep before 7.6.0 Heap Buffer Over-read via .Z decompression
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 4.8epss 0.1%
probabilidade de exploração
0.1%top 98% das CVEs
exploração observada
nãonenhuma fonte reporta
ugrep before 7.6.0 contains a heap buffer over-read vulnerability in the LZW decompressor when processing crafted .Z archive files. Attackers can supply malformed .Z files that cause the decompressor to read one byte past the allocated heap buffer, potentially crashing the process.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Produtos afetados
Genivia · ugrepReferências
https://github.com/Genivia/ugrephttps://github.com/Genivia/ugrep/blob/v7.5.0/src/zopen.c#L673https://github.com/Genivia/ugrep/commit/c12849a11264e2c81c860bf78ee9039772f307a4https://github.com/Genivia/ugrep/issues/511https://github.com/Genivia/ugrep/releases/tag/v7.6.0https://www.vulncheck.com/advisories/ugrep-before-7.6.0-heap-buffer-over-read-via-z-decompression